Revert "site/common-uclibc: Cache gl_cv_func_wcwidth_works"

This reverts commit a471d342424502de48f28c4f8297d490f2cd1443.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/site/common-uclibc

@@ -21,7 +21,6 @@ ac_cv_func_vsnprintf_c99=${ac_cv_func_vsnprintf_c99=yes}
 glib_cv_compliant_posix_memalign=${glib_cv_compliant_posix_memalign=1}
 glib_cv_long_long_format=${glib_cv_long_long_format=ll}
 glib_cv_have_qsort_r=${glib_cv_have_qsort_r=no}
-gl_cv_func_wcwidth_works=${gl_cv_func_wcwidth_works=yes}
 
 #dbus-glib
 ac_cv_have_abstract_sockets=${ac_cv_have_abstract_sockets=yes}