Revert "update OpenTelemetry dependencies"

This reverts commit 82e9ce79c7.

vendor/google.golang.org/protobuf/protoadapt/convert.go

@@ -1,31 +0,0 @@
-// Copyright 2023 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package protoadapt bridges the original and new proto APIs.
-package protoadapt
-
-import (
-	"google.golang.org/protobuf/proto"
-	"google.golang.org/protobuf/runtime/protoiface"
-	"google.golang.org/protobuf/runtime/protoimpl"
-)
-
-// MessageV1 is the original [github.com/golang/protobuf/proto.Message] type.
-type MessageV1 = protoiface.MessageV1
-
-// MessageV2 is the [google.golang.org/protobuf/proto.Message] type used by the
-// current [google.golang.org/protobuf] module, adding support for reflection.
-type MessageV2 = proto.Message
-
-// MessageV1Of converts a v2 message to a v1 message.
-// It returns nil if m is nil.
-func MessageV1Of(m MessageV2) MessageV1 {
-	return protoimpl.X.ProtoMessageV1Of(m)
-}
-
-// MessageV2Of converts a v1 message to a v2 message.
-// It returns nil if m is nil.
-func MessageV2Of(m MessageV1) MessageV2 {
-	return protoimpl.X.ProtoMessageV2Of(m)
-}