[source] utils/px5g-standalone: 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/d679afa37da2115aaea2cc1fbcd3a785872d9ed1

commit d679afa37da2115aaea2cc1fbcd3a785872d9ed1
Author: Alexandru Ardelean <ardeleanalex at gmail.com>
AuthorDate: Thu Oct 6 09:20:21 2016 +0300

    utils/px5g-standalone: drop Build/Prepare rule in favor of default one
    
    Signed-off-by: Alexandru Ardelean <ardeleanalex at gmail.com>
---
 package/utils/px5g-standalone/Makefile | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/package/utils/px5g-standalone/Makefile b/package/utils/px5g-standalone/Makefile
index 38f60c3..2f7fced 100644
--- a/package/utils/px5g-standalone/Makefile
+++ b/package/utils/px5g-standalone/Makefile
@@ -27,11 +27,6 @@ define Package/px5g-standalone/description
  and PEM format for use with stunnel, uhttpd and others.
 endef
 
-define Build/Prepare
-	mkdir -p $(PKG_BUILD_DIR)
-	$(CP) ./src/* $(PKG_BUILD_DIR)/
-endef
-
 define Package/px5g-standalone/install
 	$(INSTALL_DIR) $(1)/usr/sbin
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/px5g $(1)/usr/sbin/px5g