[ObjC] Remove override that is returning what the base returns.

PiperOrigin-RevId: 682405965

src/google/protobuf/compiler/objectivec/generator.cc

@@ -64,8 +64,6 @@ std::string NumberedObjCMFileName(absl::string_view basename, int number) {
 
 }  // namespace
 
-bool ObjectiveCGenerator::HasGenerateAll() const { return true; }
-
 bool ObjectiveCGenerator::Generate(const FileDescriptor* file,
                                    const std::string& parameter,
                                    GeneratorContext* context,

src/google/protobuf/compiler/objectivec/generator.h

@@ -39,7 +39,6 @@ class PROTOC_EXPORT ObjectiveCGenerator : public CodeGenerator {
   ObjectiveCGenerator& operator=(const ObjectiveCGenerator&) = delete;
 
   // implements CodeGenerator ----------------------------------------
-  bool HasGenerateAll() const override;
   bool Generate(const FileDescriptor* file, const std::string& parameter,
                 GeneratorContext* context, std::string* error) const override;
   bool GenerateAll(const std::vector<const FileDescriptor*>& files,