[openwrt/openwrt] openssl: remove call to now absent clean-staging make target

[LEDE Commits]

yousong pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/c9c2e4d78dc683b46b7f31b230afbdcdc13b81f6

commit c9c2e4d78dc683b46b7f31b230afbdcdc13b81f6
Author: Yousong Zhou <yszhou4tech at gmail.com>
AuthorDate: Tue Jan 30 14:34:59 2018 +0800

    openssl: remove call to now absent clean-staging make target
    
    It's not needed now since commit a621b8c ("include: clean package
    staging dir files before configure")
    
    Fixes FS#1309
    
    Signed-off-by: Yousong Zhou <yszhou4tech at gmail.com>
---
 package/libs/openssl/Makefile | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/package/libs/openssl/Makefile b/package/libs/openssl/Makefile
index 9c4a39e..95e6cff 100644
--- a/package/libs/openssl/Makefile
+++ b/package/libs/openssl/Makefile
@@ -194,9 +194,6 @@ define Build/Configure
 			$(OPENSSL_NO_CIPHERS) \
 			$(OPENSSL_OPTIONS) \
 	)
-	# XXX: OpenSSL "make depend" will look for installed headers before its own,
-	# so remove installed stuff first
-	-$(SUBMAKE) -j1 clean-staging
 	+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
 		CROSS_COMPILE="$(TARGET_CROSS)" \
 		MAKEDEPPROG="$(TARGET_CROSS)gcc" \