[source] network/utils/maccalc: 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/a24442c4f3cf3477abf2ef0962972631409b89ac

commit a24442c4f3cf3477abf2ef0962972631409b89ac
Author: Alexandru Ardelean <ardeleanalex at gmail.com>
AuthorDate: Thu Oct 6 09:28:30 2016 +0300

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

diff --git a/package/network/utils/maccalc/Makefile b/package/network/utils/maccalc/Makefile
index b4800d0..dc11b6b 100644
--- a/package/network/utils/maccalc/Makefile
+++ b/package/network/utils/maccalc/Makefile
@@ -25,11 +25,6 @@ define Package/maccalc/description
  This package contains a MAC address manipulation utility.
 endef
 
-define Build/Prepare
-	mkdir -p $(PKG_BUILD_DIR)
-	$(CP) ./src/* $(PKG_BUILD_DIR)/
-endef
-
 define Build/Configure
 endef