osmo-release.sh: Fix error condition no LIBVERSION modified

It turns out git status doesn't return an error code in any of the
modified/unmodified cases. It's not clear anyway why we check
TODO-RELEASE when we actually care about the file containing the
LIBVERSION (non-)change.

Change-Id: I2320d6ee29cd528e55c0609be1af350655123b85
diff --git a/osmo-release.sh b/osmo-release.sh
index 7ae4da0..0e85023 100755
--- a/osmo-release.sh
+++ b/osmo-release.sh
@@ -40,11 +40,8 @@
 	grep '#' TODO-RELEASE > TODO-RELEASE.clean
 	mv TODO-RELEASE.clean TODO-RELEASE
 	if [ "z$MAKEMOD" = "z" ]; then
-		git status -s -uno TODO-RELEASE
-		if [ $? -ne 0 ]; then
-			echo "Before releasing, please modify some of the libversions: $LIBVERS"
-			exit 1
-		fi
+		echo "Before releasing, please modify some of the libversions: $LIBVERS"
+		exit 1
 	fi
 	xargs -a TODO-RELEASE.entries -r -d'\n' -I entry dch -m -v $NEW_VER "entry"
 	rm TODO-RELEASE.entries