Revert of Check if internal_format is valid for GenerateMipmap().

gpu/command_buffer/service/gles2_cmd_validation_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_validation_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_validation_autogen.h b/gpu/command_buffer/service/gles2_cmd_validation_autogen.h
index c3a7b39cd4ab1a24e21c288db2c8886159d9a146..e98aa2cd9d5734b0f04c067201c9753ac0b8eb11 100644
--- a/gpu/command_buffer/service/gles2_cmd_validation_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_validation_autogen.h
@@ -346,10 +346,7 @@
 TextureMinFilterModeValidator texture_min_filter_mode;
 
 ValueValidator<GLenum> texture_parameter;
-ValueValidator<GLenum> texture_sized_color_renderable_internal_format;
-ValueValidator<GLenum> texture_sized_texture_filterable_internal_format;
 ValueValidator<GLenum> texture_target;
-ValueValidator<GLenum> texture_unsized_internal_format;
 class TextureUsageValidator {
  public:
   bool IsValid(const GLenum value) const;