Remove shell scripts

build.sh

-#!/bin/bash
-
-exec sudo docker build -t steering-django .

cleanup.sh

-#!/bin/bash
-BASE_D=$(realpath "${BASH_SOURCE%/*}/")
-
-rm -f "$BASE_D/steering/dev_data.sqlite"

manage.sh

-#!/bin/bash
-BASE_D=$(realpath "${BASH_SOURCE%/*}/")
-
-exec sudo docker run --rm -it -u $UID:$GID -p 127.0.0.1:8000:8000 -v "$BASE_D":/srv steering-django /srv/manage.py $@

prepare.sh

-#!/bin/bash
-BASE_D=$(realpath "${BASH_SOURCE%/*}/")
-
-sudo docker run --rm -it -u $UID:$GID -v "$BASE_D":/srv steering-django /srv/manage.py migrate
-sudo docker run --rm -it -u $UID:$GID -v "$BASE_D":/srv steering-django bash -c "/srv/manage.py loaddata /srv/fixtures/*/*.json"
-sudo docker run --rm -it -u $UID:$GID -v "$BASE_D":/srv steering-django /srv/manage.py createsuperuser --username equinox --email equinox@helsinki.at
-sudo docker run --rm -it -u $UID:$GID -v "$BASE_D":/srv steering-django /srv/manage.py creatersakey