Fixed "unused function" warnings seen in OSS.

PiperOrigin-RevId: 494398568

src/google/protobuf/generated_message_tctable_lite.cc

diff --git a/src/google/protobuf/generated_message_tctable_lite.cc b/src/google/protobuf/generated_message_tctable_lite.cc
index a541271..1e97e5e 100644
--- a/src/google/protobuf/generated_message_tctable_lite.cc
+++ b/src/google/protobuf/generated_message_tctable_lite.cc
@@ -892,21 +892,11 @@
 }
 
 template <>
-inline uint32_t ZigZagDecodeHelper<uint32_t, true>(uint32_t value) {
-  return WireFormatLite::ZigZagDecode32(value);
-}
-
-template <>
 inline int32_t ZigZagDecodeHelper<int32_t, true>(int32_t value) {
   return WireFormatLite::ZigZagDecode32(value);
 }
 
 template <>
-inline uint64_t ZigZagDecodeHelper<uint64_t, true>(uint64_t value) {
-  return WireFormatLite::ZigZagDecode64(value);
-}
-
-template <>
 inline int64_t ZigZagDecodeHelper<int64_t, true>(int64_t value) {
   return WireFormatLite::ZigZagDecode64(value);
 }