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

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/fb789c4821cfbfee6e09657679eed4ac69225caf

commit fb789c4821cfbfee6e09657679eed4ac69225caf
Author: Alexandru Ardelean <ardeleanalex at gmail.com>
AuthorDate: Thu Oct 6 09:22:45 2016 +0300

    libs/gettext: drop Build/Prepare rule in favor of default one
    
    Signed-off-by: Alexandru Ardelean <ardeleanalex at gmail.com>
---
 package/libs/gettext/Makefile | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/package/libs/gettext/Makefile b/package/libs/gettext/Makefile
index 1672b47..b023330 100644
--- a/package/libs/gettext/Makefile
+++ b/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