Mojom runtime type info: New implementation for Go.

mojo/public/tools/bindings/generators/go_templates/union.tmpl

Index: mojo/public/tools/bindings/generators/go_templates/union.tmpl
diff --git a/mojo/public/tools/bindings/generators/go_templates/union.tmpl b/mojo/public/tools/bindings/generators/go_templates/union.tmpl
index e8710c182e7c9433a8574f1d4b42d5627d988b29..a0fcd795ec3613b5749d798621ab80f4db1bbc5c 100644
--- a/mojo/public/tools/bindings/generators/go_templates/union.tmpl
+++ b/mojo/public/tools/bindings/generators/go_templates/union.tmpl
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 {% import "encoding_macros.tmpl" as encoding_macros %}
-{% import "mojom_type_macros.tmpl" as mojom_type_macros %}
 
 {% macro define(union, typepkg, package, exported=True) %}
 type {{union|name(exported)}} interface {
@@ -77,8 +76,6 @@ func (u *{{struct_name}}) decodeInternal(decoder *bindings.Decoder) error {
 
 {%   endfor %}
 
-{{ mojom_type_macros.writeMojomTypeDef(typepkg, union, package, exported) }}
-
 {% endmacro %}
 
 {% macro encode_union_field(value, kind) %}