Modify link arg and its desc to not be beta

Author: JammSpread

src/node/cli.ts

@@ -195,7 +195,6 @@ const options: Options<Required<Args>> = {
       https://myname.coder-cloud.com at which you can easily access your code-server instance.
       Authorization is done via GitHub.
     `,
-    beta: true,
   },
   home: {
     type: "string",