Remove the script to create sub themes, no use case.

create_sub_theme.sh

@@ -1,32 +0,0 @@
-#!/usr/bin/env bash
-
-# shell script hardening
-set -euo pipefail
-
-# This script creates a new sub them from the zen base theme.
-# (Run chmod 700 on this file to make it executable)
-
-if [[ ! -d "zen" || "${PWD##*/}" != "themes" ]]; then
-  echo "Error: This script must be run from the theme folder."
-  echo "Usage: ./zen/create_sub_theme.sh"
-fi
-
-if [[ -z "${1-}" ]]; then
-  echo -n "Enter a human-readable subtheme name: "
-  read -e inputname
-else
-  inputname="$1"
-fi
-
-human=`echo $inputname | sed -e 's/"/\\"/g'`
-themename=`echo $inputname | tr [:upper:] [:lower:] | sed -e 's/[\-\ ]/_/g' -e 's/[^a-z0-9_]//g'`
-
-mkdir "$themename"
-
-cp -p zen/.eslintrc zen/.gitignore zen/.sass-lint.yml $themename/
-cp -p zen/gulpfile.js zen/package-lock.json zen/package.json zen/theme.toml $themename/
-cp -pr zen/assets $themename/
-cp -pr zen/static $themename/
-
-sed -e 's/^\(name = \).*$/\1"'"$human"'"/g' -e 's/^\(description = \).*$/\1"A Zen sub-theme"/g' $themename/theme.toml > $themename/theme.toml.temp
-mv -f $themename/theme.toml.temp $themename/theme.toml