mv contrib/verify-commits/pre-push-hook.sh to maintainer tools repo

contrib/verify-commits/pre-push-hook.sh

@@ -1,21 +0,0 @@
-#!/usr/bin/env bash
-# Copyright (c) 2014-present The Bitcoin Core developers
-# Distributed under the MIT software license, see the accompanying
-# file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-export LC_ALL=C
-if ! [[ "$2" =~ ^(git@)?(www.)?github.com(:|/)bitcoin/bitcoin(.git)?$ ]]; then
-    exit 0
-fi
-
-while read LINE; do
-    set -- A "$LINE"
-    if [ "$4" != "refs/heads/master" ]; then
-        continue
-    fi
-    if ! ./contrib/verify-commits/verify-commits.py "$3" > /dev/null 2>&1; then
-        echo "ERROR: A commit is not signed, can't push"
-        ./contrib/verify-commits/verify-commits.py
-        exit 1
-    fi
-done < /dev/stdin