updated: clean untracked nested git repos (#25917)

* updated: clean untracked nested git repos

* ff all the cleans

scripts/switch_to_master.sh

@@ -1,16 +0,0 @@
-#!/usr/bin/bash
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
-cd $DIR/..
-
-git clean -xdf .
-git rm -r --cached .
-
-git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
-git fetch origin master
-git checkout master
-git reset --hard
-git submodule update --init
-
-printf '\n\n'
-echo "master checked out. reboot to start building openpilot master"