fix double entry of github copilot in auth login

packages/opencode/src/cli/cmd/auth.ts

@@ -69,10 +69,6 @@ export const AuthLoginCommand = cmd({
             hint: priority[x.id] === 0 ? "recommended" : undefined,
           })),
         ),
-        {
-          value: "github-copilot",
-          label: "GitHub Copilot",
-        },
         {
           value: "other",
           label: "Other",