[chore] [receiver/dockerstats] Remove stable feature gate (#31999)

Remove `receiver.dockerstats.useScraperV2` feature gate

.chloggen/remove-stable-fg-dockerstats.yaml

@@ -0,0 +1,20 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: receiver/dockerstats
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Remove stable receiver.dockerstats.useScraperV2 feature gate.
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [31999]
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: []

receiver/dockerstatsreceiver/factory.go

@@ -9,21 +9,12 @@ import (
 
 	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/consumer"
-	"go.opentelemetry.io/collector/featuregate"
 	"go.opentelemetry.io/collector/receiver"
 	"go.opentelemetry.io/collector/receiver/scraperhelper"
 
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/dockerstatsreceiver/internal/metadata"
 )
 
-var _ = featuregate.GlobalRegistry().MustRegister(
-	"receiver.dockerstats.useScraperV2",
-	featuregate.StageStable,
-	featuregate.WithRegisterDescription("When enabled, the receiver will use the function ScrapeV2 to collect metrics. This allows each metric to be turned off/on via config. The new metrics are slightly different to the legacy implementation."),
-	featuregate.WithRegisterReferenceURL("https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/9794"),
-	featuregate.WithRegisterToVersion("0.74.0"),
-)
-
 func NewFactory() receiver.Factory {
 	return receiver.NewFactory(
 		metadata.Type,

receiver/dockerstatsreceiver/go.mod

@@ -13,7 +13,6 @@ require (
 	go.opentelemetry.io/collector/component v0.97.0
 	go.opentelemetry.io/collector/confmap v0.97.0
 	go.opentelemetry.io/collector/consumer v0.97.0
-	go.opentelemetry.io/collector/featuregate v1.4.0
 	go.opentelemetry.io/collector/pdata v1.4.0
 	go.opentelemetry.io/collector/receiver v0.97.0
 	go.opentelemetry.io/collector/semconv v0.97.0
@@ -48,7 +47,6 @@ require (
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/hashicorp/go-version v1.6.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/compress v1.17.2 // indirect
 	github.com/knadh/koanf/maps v0.1.1 // indirect