chore: clear dead test and allowlist leftovers of dropped runtimes

tests/agent-descriptor-parity.install.test.cjs

@@ -54,9 +54,7 @@
  *   3. Both scopes are exercised for every runtime that declares a
  *      per-scope `agents` kind (claude, codex, opencode × global+local). The prior revision was global-only, which
  *      is exactly the class of gap that let an agents-drop
- *      regression reach `next` undetected: cline-local (fixed alongside
- *      this rewrite — capabilities/cline/capability.json's `local`
- *      artifactLayout now declares an `agents` kind).
+ *      regression reach `next` undetected.
  *
  * H8 is mandatory, not optional: a parity harness never demonstrated failing
  * is decoration. It feeds the oracle a DELIBERATELY WRONG (but real,
@@ -556,7 +554,7 @@ test('agent-descriptor-parity: J8 — opencode resolves model overrides through
  * "runtime"` capability in the REAL capability-registry that declares an
  * `agents` kind (either scope), the REAL production entry point
  * (`installRuntimeArtifacts` — which internally routes combinedFamilyInstall
- * runtimes like kilo/opencode through `installOpencodeFamilyAgents`, #2875
+ * runtimes like opencode through `installOpencodeFamilyAgents`, #2875
  * Part 2 Task A) actually materializes agents/ on disk. If any runtime were
  * still silently depending on the deleted inline loop, this call would write
  * nothing to agents/ for it (the deleted code was the ONLY thing that used to