[cppyy] Unmark xfail, this test now passes with LLVM22

Unmark xfail for test14_templated_return_type

Author: devajithvs

bindings/pyroot/cppyy/cppyy/test/test_templates.py

@@ -351,7 +351,6 @@ def test13_using_templated_method(self):
         assert type(d.get3()) == int
         assert d.get3() == 5
 
-    @mark.xfail(strict=True)
     def test14_templated_return_type(self):
         """Use of a templated return type"""