package/janus-gateway: remove stray REST comment

Commit 80f3622bc7 (package/libmicrohttpd: remove dependency on
threads) removed BR2_TOOLCHAIN_HAS_THREADS dependency from
BR2_PACKAGE_JANUS_GATEWAY_REST but forgot to remove comment.

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/janus-gateway/Config.in

@@ -79,9 +79,6 @@ config BR2_PACKAGE_JANUS_GATEWAY_REST
 	bool "REST (HTTP/HTTPS)"
 	select BR2_PACKAGE_LIBMICROHTTPD
 
-comment "REST transport needs a toolchain w/ threads"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
-
 config BR2_PACKAGE_JANUS_GATEWAY_UNIX_SOCKETS
 	bool "Unix Sockets"
 	default y