src/vs/workbench/contrib/externalUriOpener/common/contributedOpeners.ts/ContributedExternalUriOpenersStore/delete
class ContributedExternalUriOpenersStore:	public delete(id: string): void {
		this._openers.delete(id);

		delete this._mementoObject[id];
		this._memento.saveMemento();

		this.updateSchema();
	}