remove 10_ensure_repo_v2.sh

hooks/300-before-transfer/always/10_ensure_repo_v2.sh

-#!/bin/bash
-
-echo -n "UPGRADE: REPO ... "
-if eval restic migrate $ARGS_DEFAULT | grep upgrade_repo_v2; then
-    echo "need to update to v2"
-    eval restic migrate upgrade_repo_v2
-else
-    echo "up to date"
-fi
-sleep 3
-
-# sleep 100
-# exit
\ No newline at end of file