[jaegerreceiver] Remove ineffectual warning log (#36831)

#### Description
The remote sampling functionality has been already removed from
`jaegerreceiver` in #14163. The logged warning has no impact or meaning.

#### Link to tracking issue
Fixes #35894

#### Testing
CI

---------

Signed-off-by: Yuri Shkuro <[email protected]>
Co-authored-by: Yang Song <[email protected]>

.chloggen/remove-jaegerreceiver-warning.yaml

@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: bug_fix
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: jaegerreceiver
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Remove ineffectual warning from jaegerreceiver
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [35894]
+
+# (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:
+
+# 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/jaegerreceiver/factory.go

@@ -7,7 +7,6 @@ package jaegerreceiver // import "github.com/open-telemetry/opentelemetry-collec
 
 import (
 	"context"
-	"sync"
 
 	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/config/configgrpc"
@@ -16,7 +15,6 @@ import (
 	"go.opentelemetry.io/collector/consumer"
 	"go.opentelemetry.io/collector/featuregate"
 	"go.opentelemetry.io/collector/receiver"
-	"go.uber.org/zap"
 
 	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/jaegerreceiver/internal/metadata"
@@ -42,14 +40,6 @@ var disableJaegerReceiverRemoteSampling = featuregate.GlobalRegistry().MustRegis
 	featuregate.WithRegisterDescription("When enabled, the Jaeger Receiver will fail to start when it is configured with remote_sampling config. When disabled, the receiver will start and the remote_sampling config will be no-op."),
 )
 
-var once sync.Once
-
-func logDeprecation(logger *zap.Logger) {
-	once.Do(func() {
-		logger.Warn("jaeger receiver will deprecate Thrift-gen and replace it with Proto-gen to be compatbible to jaeger 1.42.0 and higher. See https://github.com/open-telemetry/opentelemetry-collector-contrib/pull/18485 for more details.")
-	})
-}
-
 // NewFactory creates a new Jaeger receiver factory.
 func NewFactory() receiver.Factory {
 	return receiver.NewFactory(
@@ -90,8 +80,6 @@ func createTracesReceiver(
 	cfg component.Config,
 	nextConsumer consumer.Traces,
 ) (receiver.Traces, error) {
-	logDeprecation(set.Logger)
-
 	// Convert settings in the source config to configuration struct
 	// that Jaeger receiver understands.
 	// Error handling for the conversion is done in the Validate function from the Config object itself.

receiver/jaegerreceiver/go.mod

@@ -27,7 +27,6 @@ require (
 	go.opentelemetry.io/collector/semconv v0.115.1-0.20241206185113-3f3e208e71b8
 	go.uber.org/goleak v1.3.0
 	go.uber.org/multierr v1.11.0
-	go.uber.org/zap v1.27.0
 	google.golang.org/grpc v1.68.1
 )
 
@@ -76,6 +75,7 @@ require (
 	go.opentelemetry.io/otel/sdk v1.32.0 // indirect
 	go.opentelemetry.io/otel/sdk/metric v1.32.0 // indirect
 	go.opentelemetry.io/otel/trace v1.32.0 // indirect
+	go.uber.org/zap v1.27.0 // indirect
 	golang.org/x/net v0.31.0 // indirect
 	golang.org/x/sys v0.28.0 // indirect
 	golang.org/x/text v0.21.0 // indirect