[gnome-flashback] build: simplify autogen.sh

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 8b152326322586a68a101262fea1b4615e2f2e37
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Jun 28 13:32:30 2020 +0300

    build: simplify autogen.sh

 autogen.sh | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 5038018..74a12f9 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -14,14 +14,8 @@ fi
 olddir=$(pwd)
 cd "$srcdir"
 
-if [ ! -f $srcdir/gnome-flashback/libsound-applet/gvc/Makefile.am ]; then
-       set -x
-       git submodule init
-       { set +x; } 2>/dev/null
-fi
-
 set -x
-git submodule update
+git submodule update --init
 { set +x; } 2>/dev/null
 
 PKG_NAME=$(autoconf --trace 'AC_INIT:$1' "$srcdir/configure.ac")