libs/gettext: drop Build/Prepare rule in favor of default one

Signed-off-by: Alexandru Ardelean <[email protected]>

package/libs/gettext/Makefile

@@ -24,11 +24,6 @@ define Package/libintl
   TITLE:=Stub header for the GNU Internationalization library
 endef
 
-define Build/Prepare
-	$(INSTALL_DIR) $(PKG_BUILD_DIR)
-	$(CP) ./src/* $(PKG_BUILD_DIR)/
-endef
-
 define Build/Configure
 endef