Remove old Zookeeper mentions since it may confuse people (KRaft, etc)

CONFIGURATION.md

@@ -161,8 +161,8 @@ opaque                                   |  *  |                 |
 compression.codec                        |  P  | none, gzip, snappy, lz4, zstd, inherit |       inherit | high       | Compression codec to use for compressing message sets. inherit = inherit global compression.codec configuration. <br>*Type: enum value*
 compression.type                         |  P  | none, gzip, snappy, lz4, zstd |          none | medium     | Alias for `compression.codec`: compression codec to use for compressing message sets. This is the default value for all topics, may be overridden by the topic configuration property `compression.codec`.  <br>*Type: enum value*
 compression.level                        |  P  | -1 .. 12        |            -1 | medium     | Compression level parameter for algorithm selected by configuration property `compression.codec`. Higher values will result in better compression at the cost of more CPU usage. Usable range is algorithm-dependent: [0-9] for gzip; [0-12] for lz4; only 0 for snappy; -1 = codec-dependent default compression level. <br>*Type: integer*
-auto.commit.enable                       |  C  | true, false     |          true | low        | **DEPRECATED** [**LEGACY PROPERTY:** This property is used by the simple legacy consumer only. When using the high-level KafkaConsumer, the global `enable.auto.commit` property must be used instead]. If true, periodically commit offset of the last message handed to the application. This committed offset will be used when the process restarts to pick up where it left off. If false, the application will have to call `rd_kafka_offset_store()` to store an offset (optional). **NOTE:** There is currently no zookeeper integration, offsets will be written to broker or local file according to offset.store.method. <br>*Type: boolean*
-enable.auto.commit                       |  C  | true, false     |          true | low        | **DEPRECATED** Alias for `auto.commit.enable`: [**LEGACY PROPERTY:** This property is used by the simple legacy consumer only. When using the high-level KafkaConsumer, the global `enable.auto.commit` property must be used instead]. If true, periodically commit offset of the last message handed to the application. This committed offset will be used when the process restarts to pick up where it left off. If false, the application will have to call `rd_kafka_offset_store()` to store an offset (optional). **NOTE:** There is currently no zookeeper integration, offsets will be written to broker or local file according to offset.store.method. <br>*Type: boolean*
+auto.commit.enable                       |  C  | true, false     |          true | low        | **DEPRECATED** [**LEGACY PROPERTY:** This property is used by the simple legacy consumer only. When using the high-level KafkaConsumer, the global `enable.auto.commit` property must be used instead]. If true, periodically commit offset of the last message handed to the application. This committed offset will be used when the process restarts to pick up where it left off. If false, the application will have to call `rd_kafka_offset_store()` to store an offset (optional). Offsets will be written to broker or local file according to offset.store.method. <br>*Type: boolean*
+enable.auto.commit                       |  C  | true, false     |          true | low        | **DEPRECATED** Alias for `auto.commit.enable`: [**LEGACY PROPERTY:** This property is used by the simple legacy consumer only. When using the high-level KafkaConsumer, the global `enable.auto.commit` property must be used instead]. If true, periodically commit offset of the last message handed to the application. This committed offset will be used when the process restarts to pick up where it left off. If false, the application will have to call `rd_kafka_offset_store()` to store an offset (optional). Offsets will be written to broker or local file according to offset.store.method. <br>*Type: boolean*
 auto.commit.interval.ms                  |  C  | 10 .. 86400000  |         60000 | high       | [**LEGACY PROPERTY:** This setting is used by the simple legacy consumer only. When using the high-level KafkaConsumer, the global `auto.commit.interval.ms` property must be used instead]. The frequency in milliseconds that the consumer offsets are committed (written) to offset storage. <br>*Type: integer*
 auto.offset.reset                        |  C  | smallest, earliest, beginning, largest, latest, end, error |       largest | high       | Action to take when there is no initial offset in offset store or the desired offset is out of range: 'smallest','earliest' - automatically reset the offset to the smallest offset, 'largest','latest' - automatically reset the offset to the largest offset, 'error' - trigger an error (ERR__AUTO_OFFSET_RESET) which is retrieved by consuming messages and checking 'message->err'. <br>*Type: enum value*
 offset.store.path                        |  C  |                 |             . | low        | **DEPRECATED** Path to local file for storing offsets. If the path is a directory a filename will be automatically generated in that directory based on the topic and partition. File-based offset storage will be removed in a future version. <br>*Type: string*

INTRODUCTION.md

@@ -1421,8 +1421,6 @@ The legacy `auto.commit.enable` topic configuration property is only to be used
 with the legacy low-level consumer.
 Use `enable.auto.commit` with the modern KafkaConsumer.
 
-There is no support for offset management with ZooKeeper.
-
 
 ##### Auto offset commit
 

examples/Makefile

@@ -103,21 +103,6 @@ rdkafka_consume_batch: ../src-cpp/librdkafka++.a ../src/librdkafka.a rdkafka_con
 	$(CXX) $(CPPFLAGS) $(CXXFLAGS) rdkafka_consume_batch.cpp -o $@ $(LDFLAGS) \
 		../src-cpp/librdkafka++.a ../src/librdkafka.a $(LIBS)
 
-rdkafka_zookeeper_example: ../src/librdkafka.a rdkafka_zookeeper_example.c
-	$(CC) $(CPPFLAGS) $(CFLAGS) -I/usr/include/zookeeper rdkafka_zookeeper_example.c -o $@ $(LDFLAGS) \
-		../src/librdkafka.a $(LIBS) -lzookeeper_mt -ljansson
-	@echo "# $@ is ready"
-	@echo "#"
-	@echo "# Run producer (write messages on stdin)"
-	@echo "./$@ -P -t <topic> -p <partition>"
-	@echo ""
-	@echo "# or consumer"
-	@echo "./$@ -C -t <topic> -p <partition>"
-	@echo ""
-	@echo "#"
-	@echo "# More usage options:"
-	@echo "./$@ -h"
-
 openssl_engine_example_cpp: ../src-cpp/librdkafka++.a ../src/librdkafka.a openssl_engine_example.cpp
 	$(CXX) $(CPPFLAGS) $(CXXFLAGS) openssl_engine_example.cpp -o $@ $(LDFLAGS) \
 		../src-cpp/librdkafka++.a ../src/librdkafka.a $(LIBS)