Remove unused wildcard_regex_converter.sh (#4369)

* Remove unused wildcard_regex_converter.sh

Signed-off-by: Christian König <ckoenig@posteo.de>

* Remove regexconverter

Signed-off-by: Christian König <ckoenig@posteo.de>

advanced/Scripts/wildcard_regex_converter.sh

@@ -1,28 +0,0 @@
-#!/usr/bin/env bash
-# Pi-hole: A black hole for Internet advertisements
-# (c) 2017 Pi-hole, LLC (https://pi-hole.net)
-# Network-wide ad blocking via your own hardware.
-#
-# Provides an automated migration subroutine to convert Pi-hole v3.x wildcard domains to Pi-hole v4.x regex filters
-#
-# This file is copyright under the latest version of the EUPL.
-# Please see LICENSE file for your rights under this license.
-
-# regexFile set in gravity.sh
-
-wildcardFile="/etc/dnsmasq.d/03-pihole-wildcard.conf"
-
-convert_wildcard_to_regex() {
-    if [ ! -f "${wildcardFile}" ]; then
-        return
-    fi
-    local addrlines domains uniquedomains
-    # Obtain wildcard domains from old file
-    addrlines="$(grep -oE "/.*/" ${wildcardFile})"
-    # Strip "/" from domain names and convert "." to regex-compatible "\."
-    domains="$(sed 's/\///g;s/\./\\./g' <<< "${addrlines}")"
-    # Remove repeated domains (may have been inserted two times due to A and AAAA blocking)
-    uniquedomains="$(uniq <<< "${domains}")"
-    # Automatically generate regex filters and remove old wildcards file
-    awk '{print "(^|\\.)"$0"$"}' <<< "${uniquedomains}" >> "${regexFile:?}" && rm "${wildcardFile}"
-}

gravity.sh

@@ -15,8 +15,6 @@ export LC_ALL=C
 
 coltable="/opt/pihole/COL_TABLE"
 source "${coltable}"
-regexconverter="/opt/pihole/wildcard_regex_converter.sh"
-source "${regexconverter}"
 # shellcheck disable=SC1091
 source "/etc/.pihole/advanced/Scripts/database_migration/gravity-db.sh"