msvcr120/tests: Run strtof tests once.

Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/msvcr120/tests/msvcr120.c

@@ -1111,7 +1111,6 @@ static void test_CurrentContext(void)
 START_TEST(msvcr120)
 {
     if (!init()) return;
-    test__strtof();
     test_lconv();
     test__dsign();
     test__dpcomp();