Remove stable gate component.UseLocalHostAsDefaultHost (#11412)

Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com>

.chloggen/rm-stable-gate.yaml

@@ -0,0 +1,25 @@
+# Use this changelog template to create an entry for release notes.
+
+# 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. otlpreceiver)
+component: service
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Remove stable gate component.UseLocalHostAsDefaultHost
+
+# One or more tracking issues or pull requests related to the change
+issues: [11412]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# 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: [user]

internal/globalgates/globalgates.go

@@ -4,8 +4,6 @@
 package globalgates // import "go.opentelemetry.io/collector/internal/globalgates"
 
 import (
-	"errors"
-
 	"go.opentelemetry.io/collector/featuregate"
 )
 
@@ -14,32 +12,3 @@ var NoopTracerProvider = featuregate.GlobalRegistry().MustRegister("service.noop
 	featuregate.WithRegisterFromVersion("v0.107.0"),
 	featuregate.WithRegisterToVersion("v0.109.0"),
 	featuregate.WithRegisterDescription("Sets a Noop OpenTelemetry TracerProvider to reduce memory allocations. This featuregate is incompatible with the zPages extension."))
-
-var _ = mustRegisterOrLoad(
-	featuregate.GlobalRegistry(),
-	"component.UseLocalHostAsDefaultHost",
-	featuregate.StageStable,
-	featuregate.WithRegisterToVersion("v0.110.0"),
-	featuregate.WithRegisterDescription("controls whether server-like receivers and extensions such as the OTLP receiver use localhost as the default host for their endpoints"),
-)
-
-// mustRegisterOrLoad tries to register the feature gate and loads it if it already exists.
-// It panics on any other error.
-func mustRegisterOrLoad(reg *featuregate.Registry, id string, stage featuregate.Stage, opts ...featuregate.RegisterOption) *featuregate.Gate {
-	gate, err := reg.Register(id, stage, opts...)
-
-	if errors.Is(err, featuregate.ErrAlreadyRegistered) {
-		// Gate is already registered; find it.
-		// Only a handful of feature gates are registered, so it's fine to iterate over all of them.
-		reg.VisitAll(func(g *featuregate.Gate) {
-			if g.ID() == id {
-				gate = g
-				return
-			}
-		})
-	} else if err != nil {
-		panic(err)
-	}
-
-	return gate
-}