[source] utils/fbtest: 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/9270ef06c61cec9305529b6fe6c71e0d77c731d6

commit 9270ef06c61cec9305529b6fe6c71e0d77c731d6
Author: Alexandru Ardelean <ardeleanalex at gmail.com>
AuthorDate: Thu Oct 6 09:19:15 2016 +0300

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

diff --git a/package/utils/fbtest/Makefile b/package/utils/fbtest/Makefile
index 05e67cb..464b34f 100644
--- a/package/utils/fbtest/Makefile
+++ b/package/utils/fbtest/Makefile
@@ -21,11 +21,6 @@ define Package/fbtest
   DEPENDS:=@DISPLAY_SUPPORT
 endef
 
-define Build/Prepare
-	mkdir -p $(PKG_BUILD_DIR)
-	$(CP) ./src/* $(PKG_BUILD_DIR)/
-endef
-
 define Build/Configure
 endef