Merge pull request #391 from Half-Shot/hs/drop-schema-ver

As per #377, we don't use this anymore

tools/getSchemaVersion.sh

-#!/bin/bash
-DB=$1
-if [ -z "$1" ]
- then
-  DB="discord.db"
-fi
-echo $DB
-sqlite3 -line $DB "SELECT * FROM schema LIMIT 1;"