Remove pointless use of openInFlagCount

It'll always be zero here.

Author: code-asher

src/node/cli.ts

@@ -488,7 +488,7 @@ export const shouldOpenInExistingInstance = async (args: Args): Promise<string |
   // It's possible the user is trying to spawn another instance of code-server.
   // Check if any unrelated flags are set (add one for `_` which always exists),
   // that a file or directory was passed, and that the socket is active.
-  if (Object.keys(args).length === openInFlagCount + 1 && args._.length > 0) {
+  if (Object.keys(args).length === 1 && args._.length > 0) {
     const socketPath = await readSocketPath()
     if (socketPath && (await canConnect(socketPath))) {
       return socketPath