Removing unused shapes again

Author: shorea

codegen/src/main/java/software/amazon/awssdk/codegen/IntermediateModelBuilder.java

@@ -125,9 +125,7 @@ public IntermediateModel build() throws IOException {
 
         log.info("{} shapes remained after applying customizations.", fullModel.getShapes().size());
 
-        // TODO uncomment
-        Map<String, ShapeModel> trimmedShapes = fullModel.getShapes();
-//        Map<String, ShapeModel> trimmedShapes = removeUnusedShapes(fullModel);
+        Map<String, ShapeModel> trimmedShapes = removeUnusedShapes(fullModel);
 
         log.info("{} shapes remained after removing unused shapes.", trimmedShapes.size());