pango: 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

 - dropping BR2_PACKAGE_GETTEXT selection

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

package/pango/Config.in

@@ -11,7 +11,6 @@ config BR2_PACKAGE_PANGO
 	select BR2_PACKAGE_FONTCONFIG
 	select BR2_PACKAGE_FREETYPE
 	select BR2_PACKAGE_HARFBUZZ
-	select BR2_PACKAGE_GETTEXT if BR2_NEEDS_GETTEXT_IF_LOCALE
 	select BR2_PACKAGE_XLIB_LIBX11 if BR2_PACKAGE_XORG7
 	help
 	  Pango is a library for laying out and rendering of text, with an

package/pango/pango.mk

@@ -17,7 +17,7 @@ PANGO_CONF_OPTS = --enable-explicit-deps=no
 HOST_PANGO_CONF_OPTS = --enable-explicit-deps=no
 
 PANGO_DEPENDENCIES = \
-	$(if $(BR2_NEEDS_GETTEXT_IF_LOCALE),gettext) \
+	$(TARGET_NLS_DEPENDENCIES) \
 	host-pkgconf \
 	libglib2 \
 	cairo \