python: use the new gettext logic

This commit switches to use the new gettext logic, which involves
using TARGET_NLS_DEPENDENCIES instead of hand-encoded dependencies
on gettext/host-gettext.

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

package/python/python.mk

@@ -54,16 +54,12 @@ HOST_PYTHON_CONF_ENV += \
 # MAKE1 has shown to workaround the problem.
 HOST_PYTHON_MAKE = $(MAKE1)
 
-PYTHON_DEPENDENCIES = host-python libffi
+PYTHON_DEPENDENCIES = host-python libffi $(TARGET_NLS_DEPENDENCIES)
 
 HOST_PYTHON_DEPENDENCIES = host-expat host-zlib
 
 PYTHON_INSTALL_STAGING = YES
 
-ifeq ($(BR2_PACKAGE_GETTEXT),y)
-PYTHON_DEPENDENCIES += gettext
-endif
-
 ifeq ($(BR2_PACKAGE_PYTHON_READLINE),y)
 PYTHON_DEPENDENCIES += readline
 else