gnunet: use new termux_git_clone_src function

packages/gnunet/build.sh

@@ -1,32 +1,12 @@
 TERMUX_PKG_HOMEPAGE=http://gnunet.org
 TERMUX_PKG_DESCRIPTION="A framework for secure peer-to-peer networking"
 TERMUX_PKG_LICENSE="GPL-2.0"
+TERMUX_PKG_SRCURL=https://gnunet.org/git/gnunet.git
 TERMUX_PKG_VERSION=0.13.1
 TERMUX_PKG_DEPENDS="gnurl, libgcrypt, libgmp, libidn, libjansson, libltdl, libmicrohttpd, libsqlite, libunistring, libsodium"
 TERMUX_PKG_BUILD_IN_SRC=true
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="ac_cv_have_decl_struct_in6_ifreq=yes"
 
-termux_step_extract_package() {
-	local CHECKED_OUT_FOLDER=$TERMUX_PKG_CACHEDIR/checkout-$TERMUX_PKG_VERSION
-	if [ ! -d $CHECKED_OUT_FOLDER ]; then
-		local TMP_CHECKOUT=$TERMUX_PKG_TMPDIR/tmp-checkout
-		rm -Rf $TMP_CHECKOUT
-		mkdir -p $TMP_CHECKOUT
-
-		git clone --depth 1 \
-			--branch v$TERMUX_PKG_VERSION \
-			https://gnunet.org/git/gnunet.git \
-			$TMP_CHECKOUT
-		cd $TMP_CHECKOUT
-		git submodule update --init # --depth 1
-		mv $TMP_CHECKOUT $CHECKED_OUT_FOLDER
-	fi
-
-	mkdir $TERMUX_PKG_SRCDIR
-	cd $TERMUX_PKG_SRCDIR
-	cp -Rf $CHECKED_OUT_FOLDER/* .
-}
-
 termux_step_pre_configure() {
 	CPPFLAGS+=" -D_LINUX_IN6_H"
 	./bootstrap