Remove PPA Repositories from UBUNTU

LIST THE PPA REPOS:

ls /etc/apt/sources.list.d

azure-cli.list graphics-drivers-ubuntu-ppa-bionic.list.save kubernetes.list neo4j.list.save nvidia-container-runtime.list.save openjdk-r-ubuntu-ppa-bionic.list

azure-cli.list.distUpgrade graphics-drivers-ubuntu-ppa-xenial.list kubernetes.list.distUpgrade nodesource.list nvidia-docker.list openjdk-r-ubuntu-ppa-bionic.list.save

azure-cli.list.save graphics-drivers-ubuntu-ppa-xenial.list.distUpgrade kubernetes.list.save nodesource.list.save nvidia-docker.list.distUpgrade realsense-public.list

graphics-drivers-ubuntu-ppa-bionic.list graphics-drivers-ubuntu-ppa-xenial.list.save neo4j.list nvidia-container-runtime.list nvidia-docker.list.save realsense-public.list.save

REMOVE THE REPOS:

rm -i /etc/apt/sources.list.d/realsense-public.list