Revert "Emit codegen_name for response value bodies (#3953) (#4007)" (#4046)

This reverts commit 02cf0be.

Author: pquentin

compiler/src/model/build-model.ts

@@ -383,18 +383,7 @@ function compileClassOrInterfaceDeclaration (declaration: ClassDeclaration | Int
             if (property.valueOf.kind === 'instance_of' && property.valueOf.type.name === 'Void') {
               type.body = { kind: 'no_body' }
             } else {
-              const tags = parseJsDocTags((member as PropertySignature).getJsDocs())
-              // TODO: Enable this after adding the missing codegen names.
-              // assert(
-              //     member as Node,
-              //     tags.codegen_name != null,
-              //     'You should configure a body @codegen_name'
-              // )
-              type.body = {
-                kind: 'value',
-                value: property.valueOf,
-                codegenName: tags.codegen_name
-              }
+              type.body = { kind: 'value', value: property.valueOf }
             }
           } else {
             type.body = { kind: 'properties', properties: property.properties }