libs/libnl-tiny: drop Build/Prepare rule in favor of default one

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

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