eFunc is unused

...ever since the code's introduction with
dab7a6e9 "INTEGRATION: CWS insight01"

Change-Id: Id9cd9c365a802dd9b67c1dfb297007c2b8ebc0bc

dbaccess/source/ui/app/AppDetailPageHelper.cxx

@@ -1191,7 +1191,6 @@ void OAppDetailPageHelper::KeyInput( const KeyEvent& rKEvt )
     SvTreeListBox* pCurrentView = getCurrentView();
     OSL_PRECOND( pCurrentView, "OAppDetailPageHelper::KeyInput: how this?" );
 
-    KeyFuncType eFunc = rKEvt.GetKeyCode().GetFunction(); (void)eFunc;
     sal_uInt16      nCode = rKEvt.GetKeyCode().GetCode();
 
     if ( ( KEY_RETURN == nCode ) && pCurrentView )