src/vs/workbench/services/keybinding/browser/keyboardLayoutService.ts/BrowserKeyboardMapperFactoryBase/removeKeyboardLayout
class BrowserKeyboardMapperFactoryBase:	removeKeyboardLayout(layout: KeymapInfo): void {
		let index = this._mru.indexOf(layout);
		this._mru.splice(index, 1);
		index = this._keymapInfos.indexOf(layout);
		this._keymapInfos.splice(index, 1);
	}