strongswan: remove AF_ALG support

AF_ALG support is removed upstream in newer kernels. Prepare for the
removal by removing support.

The crypto depends come included with kmod-ipsec. No need for them.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

net/strongswan/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=strongswan
 PKG_VERSION:=6.0.7
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=https://download.strongswan.org/ https://download2.strongswan.org/
@@ -23,7 +23,6 @@ PKG_CPE_ID:=cpe:/a:strongswan:strongswan
 PKG_MOD_AVAILABLE:= \
 	addrblock \
 	aes \
-	af-alg \
 	agent \
 	attr \
 	attr-sql \
@@ -154,7 +153,6 @@ $(call Package/strongswan/Default)
 	+strongswan-ipsec \
 	+strongswan-mod-addrblock \
 	+strongswan-mod-aes \
-	+strongswan-mod-af-alg \
 	+strongswan-mod-agent \
 	+strongswan-mod-attr \
 	+strongswan-mod-attr-sql \
@@ -645,7 +643,6 @@ $(eval $(call BuildPackage,strongswan-gencerts))
 $(eval $(call BuildPackage,strongswan-libtls))
 $(eval $(call BuildPlugin,addrblock,RFC 3779 address block constraint support,))
 $(eval $(call BuildPlugin,aes,AES crypto,))
-$(eval $(call BuildPlugin,af-alg,AF_ALG crypto interface to Linux Crypto API,+kmod-crypto-user))
 $(eval $(call BuildPlugin,agent,SSH agent signing,))
 $(eval $(call BuildPlugin,attr,file based config,))
 $(eval $(call BuildPlugin,attr-sql,SQL based config,+strongswan-charon))

net/strongswan/test-version.sh

@@ -30,7 +30,6 @@ strongswan-libtls|\
 strongswan-minimal|\
 strongswan-mod-addrblock|\
 strongswan-mod-aes|\
-strongswan-mod-af-alg|\
 strongswan-mod-agent|\
 strongswan-mod-attr|\
 strongswan-mod-attr-sql|\