Revert of Add command buffer support for GL_EXT_texture_sRGB_decode

gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
diff --git a/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h b/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
index 5a6325c80f846bd4e90a61dd34c37d687b7e4782..9d6b4a5c69786d0e371261367e746f6f321b052e 100644
--- a/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
@@ -4828,15 +4828,6 @@
                                            arraysize(string_table), value);
 }
 
-std::string GLES2Util::GetStringTextureSrgbDecodeExt(uint32_t value) {
-  static const EnumToString string_table[] = {
-      {GL_DECODE_EXT, "GL_DECODE_EXT"},
-      {GL_SKIP_DECODE_EXT, "GL_SKIP_DECODE_EXT"},
-  };
-  return GLES2Util::GetQualifiedEnumString(string_table,
-                                           arraysize(string_table), value);
-}
-
 std::string GLES2Util::GetStringTextureStencilRenderableInternalFormat(
     uint32_t value) {
   static const EnumToString string_table[] = {