plugins/wikipedia: variable 'e' was assigned but unused

Signed-off-by: Gryllida A <Gryllida@GMAIL.com>

plugins/wikipedia.py

@@ -63,5 +63,5 @@ class Wikipedia(object):
 
                 for result in results:
                     self.server.doMessage(channel, result)
-            except Exception as e:
+            except Exception:
                 pass