flex: remove bogus comment

The comment that explains why we were defining HOST_FLEX_DEPENDENCIES
instead of inheriting from FLEX_DEPENDENCIES no longer makes sense,
since we remove such automatic inheritance of host dependencies from
target dependencies a while ago.

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

package/flex/flex.mk

@@ -12,7 +12,6 @@ FLEX_LICENSE_FILES = COPYING
 FLEX_DEPENDENCIES = \
 	$(if $(BR2_PACKAGE_GETTEXT_IF_LOCALE),gettext) host-m4
 FLEX_CONF_ENV = ac_cv_path_M4=/usr/bin/m4
-# we don't have a host-gettext/libintl
 HOST_FLEX_DEPENDENCIES = host-m4
 
 define FLEX_DISABLE_PROGRAM