[source] libs/libiconv: 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/832cd7ceb5aa49a2d729b3824285c2f02cc93a1a

commit 832cd7ceb5aa49a2d729b3824285c2f02cc93a1a
Author: Alexandru Ardelean <ardeleanalex at gmail.com>
AuthorDate: Thu Oct 6 09:17:49 2016 +0300

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

diff --git a/package/libs/libiconv/Makefile b/package/libs/libiconv/Makefile
index 61e4b3b..0cb7cc7 100644
--- a/package/libs/libiconv/Makefile
+++ b/package/libs/libiconv/Makefile
@@ -27,11 +27,6 @@ define Package/libiconv
   TITLE:=Tiny drop-in replacement for the GNU Character set conversion library
 endef
 
-define Build/Prepare
-	$(INSTALL_DIR) $(PKG_BUILD_DIR)
-	$(CP) ./src/* $(PKG_BUILD_DIR)/
-endef      
-
 define Build/Configure
 endef