## Problem to solve With https://gitlab.com/gitlab-org/gitlab/-/issues/385705+ users can add new panels, however users are unable to remove panels. ### Proposal Add the ability to remove panels when in edit mode. ### Design  [📐 Design specs](https://www.figma.com/file/qoz6fwtHZjNtK22bZkvaLg/Creating-a-custom-dashboard?type=design&node-id=383%3A14645&mode=dev) ### Implementation plan ~frontend :two: - Add a [GlDisclosureDropdown](https://gitlab-org.gitlab.io/gitlab-ui/?path=/docs/base-new-dropdowns-disclosure--docs) to the top right hand corner of panels when a dashboard is in edit mode. - Add a list item `Delete`, prepended with a trash icon, when clicked remove the panel from the dashboard. - Note: A confirmation shouldn't be required because the mutation isn't permanent until a user saves the dashboard changes. - Update specs.