src/vs/workbench/api/common/extHostDebugService.ts/ExtHostDebugServiceBase/removeBreakpoints
class ExtHostDebugServiceBase:	public removeBreakpoints(breakpoints0: vscode.Breakpoint[]): Promise<void> {

		this.startBreakpoints();

		// remove from array
		const breakpoints = breakpoints0.filter(b => this._breakpoints.delete(b.id));

		// send notification
		this.fireBreakpointChanges([], breakpoints, []);

		// unregister with VS Code
		const ids = breakpoints.filter(bp => bp instanceof SourceBreakpoint).map(bp => bp.id);
		const fids = breakpoints.filter(bp => bp instanceof FunctionBreakpoint).map(bp => bp.id);
		const dids = breakpoints.filter(bp => bp instanceof DataBreakpoint).map(bp => bp.id);
		return this._debugServiceProxy.$unregisterBreakpoints(ids, fids, dids);
	}