openai_v2: move responses wrappers into patch.py

Author: iamemilio

instrumentation-genai/opentelemetry-instrumentation-openai-v2/src/opentelemetry/instrumentation/openai_v2/__init__.py

@@ -60,8 +60,6 @@
     async_embeddings_create,
     chat_completions_create,
     embeddings_create,
-)
-from .responses_patch import (
     async_responses_compact,
     async_responses_create,
     responses_compact,