Revert "Getting #4465 in 201911"

This reverts commit a3cb8a6.

dockers/docker-orchagent/orchagent.sh

@@ -17,22 +17,6 @@ ORCHAGENT_ARGS="-d /var/log/swss "
 # Set orchagent pop batch size to 8192
 ORCHAGENT_ARGS+="-b 8192 "
 
-# Check if there is an "asic_id field" in the DEVICE_METADATA in configDB.
-#"DEVICE_METADATA": {
-#    "localhost": {
-#        ....
-#        "asic_id": "0",
-#    }
-#},
-# ID field could be integers just to denote the asic instance like 0,1,2...
-# OR could be PCI device ID's which will be strings like "03:00.0"
-# depending on what the SAI/SDK expects.
-asic_id=`sonic-cfggen -d -v DEVICE_METADATA.localhost.asic_id`
-if [ -n "$asic_id" ]
-then
-    ORCHAGENT_ARGS+="-i $asic_id "
-fi
-
 # Add platform specific arguments if necessary
 if [ "$platform" == "broadcom" ]; then
     ORCHAGENT_ARGS+="-m $MAC_ADDRESS"