xfsprogs: remove comment about uClibc specific options

xfsprogs now builds fine with Buildroot default uClibc configuration, so
there is no point in having a specific comment: we don't have this for
any other package, and it's basically impossible to maintain.

UCLIBC_SV4_DEPRECATED is still disabled in the Buildroot default uClibc
configuration, but xfsprogs builds fine without it.

UCLIBC_HAS_OBSOLETE_BSD_SIGNAL is now enabled in the Buildroot default
uClibc configuration.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/xfsprogs/Config.in

@@ -1,7 +1,3 @@
-
-comment "Note that xfsprogs needs a toolchain with UCLIBC_SV4_DEPRECATED and UCLIBC_HAS_OBSOLETE_BSD_SIGNAL enabled"
-	depends on BR2_PACKAGE_XFSPROGS
-
 comment "xfsprogs needs a toolchain w/ wchar"
 	depends on BR2_USE_MMU
 	depends on !BR2_USE_WCHAR