all: Format code with gofumpt

See https://github.com/mvdan/gofumpt

resources/postpub/fields.go

@@ -53,7 +53,7 @@ func structToMap(s interface{}) map[string]interface{} {
 
 // insert placeholder for the templates. Do it very shallow for now.
 func insertFieldPlaceholders(root string, m map[string]interface{}, createPlaceholder func(s string) string) {
-	for k, _ := range m {
+	for k := range m {
 		m[k] = createPlaceholder(root + "." + k)
 	}
 }

resources/postpub/fields_test.go

@@ -42,5 +42,4 @@ func TestCreatePlaceholders(t *testing.T) {
 		"SubType":     "pre_foo.SubType_post",
 		"Suffixes":    "pre_foo.Suffixes_post",
 	})
-
 }

resources/postpub/postpub.go

@@ -108,7 +108,6 @@ func (r *PostPublishResource) GetFieldString(pattern string) (string, bool) {
 	default:
 		panic(fmt.Sprintf("unknown field accessor %q", fieldAccessor))
 	}
-
 }
 
 func (r *PostPublishResource) fieldToString(receiver interface{}, path string) string {