tor: Remove zstd dependency

Now that zstd is in the tree, tor stars to pick it up.

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

net/tor/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=tor
 PKG_VERSION:=0.3.5.8
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://dist.torproject.org/ \
@@ -100,6 +100,7 @@ CONFIGURE_ARGS += \
 	--disable-libscrypt \
 	--disable-unittests \
 	--disable-lzma \
+	--disable-zstd \
 	--with-tor-user=tor \
 	--with-tor-group=tor