src/vs/workbench/browser/actions/workspaceActions.ts/RemoveRootFolderAction/constructor
class RemoveRootFolderAction:	constructor() {
		super({
			id: RemoveRootFolderAction.ID,
			title: { value: localize('globalRemoveFolderFromWorkspace', "Remove Folder from Workspace..."), original: 'Remove Folder from Workspace...' },
			category: workspacesCategory,
			f1: true,
			precondition: ContextKeyExpr.and(WorkspaceFolderCountContext.notEqualsTo('0'), ContextKeyExpr.or(EnterMultiRootWorkspaceSupportContext, WorkbenchStateContext.isEqualTo('workspace')))
		});
	}