toolchain: drop BR2_NEEDS_GETTEXT{,_IF_LOCALE}

Now that all packages have been migrated to the new gettext logic, we
can remove the BR2_NEEDS_GETTEXT and BR2_NEEDS_GETTEXT_IF_LOCALE
variables.

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

package/gettext/Config.in

@@ -22,5 +22,4 @@ config BR2_PACKAGE_GETTEXT_PROVIDES_LIBINTL
 endif
 
 comment "gettext needs a toolchain w/ wchar"
-	depends on BR2_NEEDS_GETTEXT
 	depends on !BR2_USE_WCHAR

toolchain/toolchain-common.in

@@ -79,20 +79,6 @@ config BR2_TOOLCHAIN_GLIBC_GCONV_LIBS_LIST
 
 	  Note: the full set of gconv libs are ~8MiB (on ARM).
 
-# glibc and eglibc directly include gettext, so a separatly compiled
-# gettext isn't needed and shouldn't be built to avoid conflicts. Some
-# packages always need gettext, other packages only need gettext when
-# locale support is enabled. See the documentation for how packages
-# should rely on the following two options.
-
-config BR2_NEEDS_GETTEXT
-	bool
-	default y if BR2_TOOLCHAIN_USES_UCLIBC
-
-config BR2_NEEDS_GETTEXT_IF_LOCALE
-	bool
-	default y if (BR2_NEEDS_GETTEXT && BR2_ENABLE_LOCALE)
-
 # This boolean is true if the toolchain provides a built-in full
 # featured gettext implementation (glibc), and false if only a stub
 # gettext implementation is provided (uclibc, musl)