Remove cern modules

composer.json

composer.lock

vendor/composer/InstalledVersions.php

vendor/composer/installed.json

vendor/composer/installed.php

web/modules/custom/cern-cds-media

web/modules/custom/cern-components

web/modules/custom/cern-dev-status

web/modules/custom/cern-display-formats

web/modules/custom/cern-full-html-format

web/modules/custom/cern-landing-page

web/modules/custom/cern-loading

web/modules/custom/cern-paragraph-types

web/modules/custom/cern-toolbar