Rename old tq methods that no longer need a unique name

sipgen/gencode.c

@@ -6068,7 +6068,7 @@ static void generateShadowCode(sipSpec *pt, moduleDef *mod, classDef *cd,
         if (!noPyTQt4TQMetaObject(cd))
             prcode(fp,
 "\n"
-"const TQMetaObject *sip%C::tqmetaObject() const\n"
+"const TQMetaObject *sip%C::metaObject() const\n"
 "{\n"
 "    return sip_%s_qt_metaobject(sipPySelf,sipType_%C);\n"
 "}\n"
@@ -8186,7 +8186,7 @@ static void generateShadowClassDeclaration(sipSpec *pt,classDef *cd,FILE *fp)
 
         if (!noPyTQt4TQMetaObject(cd))
             prcode(fp,
-"    const TQMetaObject *tqmetaObject() const;\n"
+"    const TQMetaObject *metaObject() const;\n"
                 );
     }