#78 Remove Problematic Segment

This segment was causing all sorts of "was not awaited" warnings, however removing it seems to have resolved these issues.

I think it's an artefact from when Pydle was running its own event loop.

tests/fixtures.py

@@ -17,13 +17,6 @@ def with_client(*features, connected=True, **options):
             if connected:
                 await client.connect("mock://local", 1337)
 
-            try:
-                ret = f(client=client, server=server)
-                return ret
-            finally:
-                if client.eventloop:
-                    client.eventloop.stop()
-
         run.__name__ = f.__name__
         return run