remove numeric_cast_test that is a copy of numeric/conversion/test/numeric_cast_test.cpp

test/Jamfile.v2

@@ -24,7 +24,6 @@ test-suite conversion
   : [ run implicit_cast.cpp ]
     [ compile-fail implicit_cast_fail.cpp ]
     [ run cast_test.cpp ]
-    [ run numeric_cast_test.cpp ]
     [ run polymorphic_cast_test.cpp ]
     [ compile-fail implicit_cast_fail2.cpp ]
   ;