LibWeb: Remove exceptional return types from infallible stream AOs

Author: https://github.com/trflynn89
Commit: 572a7bb313
Pull-request: https://github.com/SerenityOS/serenity/pull/24165
Reviewed-by: https://github.com/kennethmyhra ✅
Reviewed-by: https://github.com/shannonbooth ✅

Userland/Libraries/LibWeb/Streams/TransformStream.cpp

@@ -58,7 +58,7 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<TransformStream>> TransformStream::construc
     initialize_transform_stream(*stream, start_promise, writable_high_water_mark, move(writable_size_algorithm), readable_high_water_mark, move(readable_size_algorithm));
 
     // 11. Perform ? SetUpTransformStreamDefaultControllerFromTransformer(this, transformer, transformerDict).
-    TRY(set_up_transform_stream_default_controller_from_transformer(*stream, transformer, transformer_dict));
+    set_up_transform_stream_default_controller_from_transformer(*stream, transformer, transformer_dict);
 
     // 12. If transformerDict["start"] exists, then resolve startPromise with the result of invoking
     //     transformerDict["start"] with argument list « this.[[controller]] » and callback this value transformer.