Remove cproj-fails-with-broken-glibc.c

Remove cproj-fails-with-broken-glibc.c

2014-08-07  Tom de Vries  <tom@codesourcery.com>

	* gcc.dg/cproj-fails-with-broken-glibc.c: Remove test.
	* lib/target-supports.exp (check_effective_target_glibc)
	(check_effective_target_glibc_2_12_or_later)
	(check_effective_target_glibc_2_11_or_earlier): Remove proc.

	* doc/sourcebuild.texi (glibc, glibc_2_12_or_later)
	(glibc_2_11_or_earlier): Remove effective-target keywords.

From-SVN: r213694