Enable passing tests

Author: adrian-prantl

lldb/test/API/lang/swift/clangimporter/headermap_conflict/TestSwiftHeadermapConflict.py

@@ -25,7 +25,6 @@ class TestSwiftHeadermapConflict(TestBase):
     def setUp(self):
         TestBase.setUp(self)
 
-    @skipIf #FIXME: This regressed silently due to 2c911bceb06ed376801251bdfd992905a66f276c
     @skipIf(bugnumber="rdar://60396797",
             setting=('symbols.use-swift-clangimporter', 'false'))
     @skipUnlessDarwin