Fix unused import buildMethodProxy in workerFactory.ts (#157)

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>

Author: zknpr

src/workerFactory.ts

@@ -14,7 +14,7 @@ import type { TelemetryReporter } from '@vscode/extension-telemetry';
 import * as vsc from 'vscode';
 import path from 'path';
 
-import { connectWorkerPort, buildMethodProxy, Transfer } from './core/rpc';
+import { connectWorkerPort, Transfer } from './core/rpc';
 import { GlobalOutputChannel } from './main';
 import type {
   CellValue,