Disable CPU Group Pinning for Body Streaming ELG (#403)

Author: waahm7

source/s3_client.c

@@ -514,13 +514,9 @@ struct aws_s3_client *aws_s3_client_new(
             .shutdown_callback_user_data = client,
         };
 
-        if (aws_get_cpu_group_count() > 1) {
-            client->body_streaming_elg = aws_event_loop_group_new_default_pinned_to_cpu_group(
-                client->allocator, num_streaming_threads, 1, &body_streaming_elg_shutdown_options);
-        } else {
-            client->body_streaming_elg = aws_event_loop_group_new_default(
-                client->allocator, num_streaming_threads, &body_streaming_elg_shutdown_options);
-        }
+        client->body_streaming_elg = aws_event_loop_group_new_default(
+            client->allocator, num_streaming_threads, &body_streaming_elg_shutdown_options);
+
         if (!client->body_streaming_elg) {
             /* Fail to create elg, we should fail the call */
             goto on_error;