test(cli): accept Codex catalogs without branded model IDs (#6633)

The provider regression test rejected valid GPT catalogs solely because no ID contained codex. Keep the structural output checks without requiring that upstream branding substring.

Co-authored-by: paseo-bot[bot] <266920839+paseo-bot[bot]@users.noreply.github.com>

packages/cli/tests/15-provider.test.ts

@@ -364,10 +364,6 @@ try {
       ids.every((id) => id.startsWith("gpt-")),
       "all codex model IDs should be from the gpt family",
     );
-    assert(
-      ids.some((id) => id.includes("codex")),
-      "codex model list should include at least one codex-optimized model",
-    );
     assert(
       data.every((m) => m.model && m.id && m.description),
       "every codex model should have model, id, and description fields",