Remove unnecessary sudo from regex install command

[nickspaargaren]

Context

Turns out the sudo command isn't necessary here. This PR removes this from the readme.

#207

How to test

Requirements

• Docker

Setup new Pi-Hole test installation

• Pull the Pi-hole docker image by running docker pull pihole/pihole:2024.07.0
• Start the Pi-hole docker container by running docker run --name pihole -d -p 8080:80 -e WEBPASSWORD=admin pihole/pihole:2024.07.0
• Navigate to http://localhost:8080/admin/
• Login in with password admin and check "Remind me for 7 days"
• Install Python inside the docker container by running docker exec pihole sh -c "sudo apt update && apt install python3 -y"

Import domains in Pi-Hole

• Navigate to http://localhost:8080/admin/groups-domains.php and make sure there are no rules
• Import a custom list by running docker exec pihole sh -c "curl -sSl https://raw.githubusercontent.com/nickspaargaren/no-google/master/install.py | python3"
• Refresh or navigate to http://localhost:8080/admin/groups-domains.php and make sure the domains are still imported correctly without sudo