apache2_module: whitespace cleanup

Remove trailing whitespace.

library/web_infrastructure/apache2_module

@@ -53,7 +53,7 @@ def _disable_module(module):
 
     if re.match(r'.*already disabled.*', stdout):
         module.exit_json(changed = False, result = "Success")
-    elif result != 0: 
+    elif result != 0:
         module.fail_json(msg="Failed to disable module %s: %s" % (name, stdout))
     else:
         module.exit_json(changed = True, result = "Disabled")
@@ -65,7 +65,7 @@ def _enable_module(module):
 
     if re.match(r'.*already enabled.*', stdout):
         module.exit_json(changed = False, result = "Success")
-    elif result != 0: 
+    elif result != 0:
         module.fail_json(msg="Failed to enable module %s: %s" % (name, stdout))
     else:
         module.exit_json(changed = True, result = "Enabled")