src/vs/workbench/browser/parts/compositeBar.ts/CompositeBarModel/remove
class CompositeBarModel:	remove(id: string): boolean {
		for (let index = 0; index < this.items.length; index++) {
			if (this.items[index].id === id) {
				this.items.splice(index, 1);
				return true;
			}
		}
		return false;
	}