[source] network/utils/iwcap: 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/3f8598feaffda79477912f663639f7f4e20ca431

commit 3f8598feaffda79477912f663639f7f4e20ca431
Author: Alexandru Ardelean <ardeleanalex at gmail.com>
AuthorDate: Thu Oct 6 09:25:56 2016 +0300

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

diff --git a/package/network/utils/iwcap/Makefile b/package/network/utils/iwcap/Makefile
index 333344e..7b43d62 100644
--- a/package/network/utils/iwcap/Makefile
+++ b/package/network/utils/iwcap/Makefile
@@ -29,11 +29,6 @@ define Package/iwcap/description
 endef
 
 
-define Build/Prepare
-	$(INSTALL_DIR) $(PKG_BUILD_DIR)
-	$(CP) ./src/* $(PKG_BUILD_DIR)/
-endef
-
 define Build/Configure
 endef