fix brown paper bag in extensions

from my commit 8c8fdb0a66
"sequence->vector in extensions"

Change-Id: I85432c50915bf9cd663e1c22c20766cd00bbfc4b

extensions/source/inc/componentmodule.cxx

@@ -253,7 +253,6 @@ namespace COMPMOD_NAMESPACE
                     return xReturn.get();
                 }
             }
-            return nullptr;
         }
 
         return nullptr;