glibc/eglibc: remove reference to experimental from help text

Since 924b8739da we no longer declare glibc and eglibc support as
experimental, so it shouldn't be mentioned in the help text anymore.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

toolchain/toolchain-buildroot/Config.in

@@ -31,9 +31,6 @@ config BR2_TOOLCHAIN_BUILDROOT_EGLIBC
 	  This option selects eglibc as the C library for the
 	  cross-compilation toolchain.
 
-	  The eglibc support in the Buildroot toolchain backend is
-	  very recent, and therefore marked experimental.
-
 	  http://eglibc.org
 
 config BR2_TOOLCHAIN_BUILDROOT_GLIBC
@@ -51,9 +48,6 @@ config BR2_TOOLCHAIN_BUILDROOT_GLIBC
 	  This option selects glibc as the C library for the
 	  cross-compilation toolchain.
 
-	  The glibc support in the Buildroot toolchain backend is
-	  very recent, and therefore marked experimental.
-
 	  http://www.gnu.org/software/libc/
 
 comment "(e)glibc only available with shared lib support"