[source] libs/libnl-tiny: 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/ab20b679f603877ecd4a8f99a9a7aa809cdea14e

commit ab20b679f603877ecd4a8f99a9a7aa809cdea14e
Author: Alexandru Ardelean <ardeleanalex at gmail.com>
AuthorDate: Thu Oct 6 09:14:34 2016 +0300

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

diff --git a/package/libs/libnl-tiny/Makefile b/package/libs/libnl-tiny/Makefile
index df5a7fd..cabbb08 100644
--- a/package/libs/libnl-tiny/Makefile
+++ b/package/libs/libnl-tiny/Makefile
@@ -26,11 +26,6 @@ define Package/libnl-tiny/description
  This package contains a stripped down version of libnl
 endef
 
-define Build/Prepare
-	mkdir -p $(PKG_BUILD_DIR)
-	$(CP) ./src/* $(PKG_BUILD_DIR)/
-endef
-
 TARGET_CFLAGS += $(FPIC)
 
 define Build/Compile