Update src/a2a/server/apps/rest/rest_app.py

Looks like a merge failure

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: pstephengoogle

src/a2a/server/apps/rest/rest_app.py

@@ -130,12 +130,6 @@ async def event_generator(
                 async for item in stream:
                     yield {'data': item}
 
-            return EventSourceResponse(
-                event_generator(method(request, call_context))
-            )
-        except Exception:
-            # Since the stream has started, we can't return a JSONResponse.
-            # Instead, we run the error handling logic (provides logging)
             return EventSourceResponse(
                 event_generator(method(request, call_context))
             )