chore: clear dead test and allowlist leftovers of dropped runtimes

tests/declarative-reference-zcode.test.cjs

@@ -14,10 +14,9 @@
  * block was previously empty. ZCode's golden install tree has ZERO hook
  * files (verified), so folding this onto `hostBehaviors.skipSharedHooksInstall`
  * is byte-parity — the same fold already done for
- * windsurf/copilot/cursor/cline/kilo/trae (#2089/#2090/#2093/#2094/#2099/#2100).
+ * cursor (#2089/#2090/#2093/#2094/#2099/#2100).
  *
- * This test is the reference-host dogfood mirroring
- * tests/declarative-reference-windsurf.test.cjs: it (1) classifies ZCode's
+ * This test is the reference-host dogfood: it (1) classifies ZCode's
  * profile via profileOf, (2) confirms the public declarative adapter
  * classifies it as declarative, (3) round-trips a real install proving a
  * msd surface is emitted, (4) proves negotiation fails CLOSED on a corrupted
@@ -120,7 +119,7 @@ test('a real ZCode install emits an invocable msd skill/command/agent surface',
 
 // ---------------------------------------------------------------------------
 // #2101 EoS/zcode — fail-closed negotiation + validator acceptance +
-// the folded descriptor (mirrors codebuddy/windsurf/augment reference tests).
+// the folded descriptor.
 // ---------------------------------------------------------------------------
 
 test('negotiateHostCapabilities never throws for zcode, even fully corrupted', () => {
@@ -204,8 +203,8 @@ test('#4002 negative space: the project-local shim fallback survives the zcode r
 
 // AC-style proof: the 2 still-`undocumented` dispatch sub-axes (nested/
 // maxDepth) must degrade to the most-restrictive KNOWN value, never their
-// optimistic value. Unlike augment (3 undocumented sub-axes) or antigravity
-// (4), zcode documents namedDispatch/background/subagentToolkit/
+// optimistic value. Unlike antigravity
+// (4 undocumented sub-axes), zcode documents namedDispatch/background/subagentToolkit/
 // backgroundDispatch, leaving only nested + maxDepth undocumented. Real
 // values confirmed via:
 //   node -e "const {negotiateHostCapabilities}=require('./msd-core/bin/lib/host-integration.cjs');