Remove inadvertant test addition that doesn't exist in master.

status/Jamfile.v2

@@ -111,7 +111,6 @@ run-tests libs :
     functional/hash/test/extra  # test-suite functional/hash
     functional/overloaded_function/test # test-suite func./overloaded_function
     geometry/index/test         # test-suite geometry/index
-    geometry/extensions/test    # test-suite geometry/extensions
     interprocess/example        # test-suite interprocess_example
     intrusive/example           # test-suite intrusive_example
     move/example                # test-suite move_example