chore(repo): Sync generated state after e2e cleanup

Regenerate canonical registry artifacts after removing the synthetic
merge-batch end-to-end fixture.

This drops the remaining bundle, catalog, plugin, and skills index
references so validate:references passes again on main.

plugins/antigravity-awesome-skills-claude/.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "antigravity-awesome-skills",
   "version": "9.6.0",
-  "description": "Plugin-safe Claude Code distribution of Antigravity Awesome Skills with 1,359 supported skills.",
+  "description": "Plugin-safe Claude Code distribution of Antigravity Awesome Skills with 1,358 supported skills.",
   "author": {
     "name": "sickn33 and contributors",
     "url": "https://github.com/sickn33/antigravity-awesome-skills"

plugins/antigravity-awesome-skills-claude/skills/merge-batch-e2e-test/SKILL.md

@@ -1,24 +0,0 @@
----
-name: merge-batch-e2e-test
-description: "Synthetic skill used to exercise the maintainer merge workflow end-to-end."
-risk: safe
-source: community
-source_repo: Dimillian/Skills
-source_type: community
-date_added: "2026-04-05"
----
-
-# Merge Batch E2E Test
-
-## Overview
-
-This temporary skill exists only to test the maintainer merge workflow against a deliberately broken pull request.
-
-## When to Use
-
-- Use when you need an intentionally broken skill PR to verify maintainer merge automation.
-
-## Instructions
-
-1. Confirm the maintainer workflow detects broken metadata and CI failures.
-2. Repair the skill and let the PR proceed to merge.

plugins/antigravity-awesome-skills/.codex-plugin/plugin.json

@@ -19,7 +19,7 @@
   "skills": "./skills/",
   "interface": {
     "displayName": "Antigravity Awesome Skills",
-    "shortDescription": "1,343 plugin-safe skills for coding, security, product, and ops workflows.",
+    "shortDescription": "1,342 plugin-safe skills for coding, security, product, and ops workflows.",
     "longDescription": "Install a plugin-safe Codex distribution of Antigravity Awesome Skills. Skills that still need hardening or target-specific setup remain available in the repo but are excluded from this plugin.",
     "developerName": "sickn33 and contributors",
     "category": "Productivity",

plugins/antigravity-awesome-skills/skills/merge-batch-e2e-test/SKILL.md

@@ -1,24 +0,0 @@
----
-name: merge-batch-e2e-test
-description: "Synthetic skill used to exercise the maintainer merge workflow end-to-end."
-risk: safe
-source: community
-source_repo: Dimillian/Skills
-source_type: community
-date_added: "2026-04-05"
----
-
-# Merge Batch E2E Test
-
-## Overview
-
-This temporary skill exists only to test the maintainer merge workflow against a deliberately broken pull request.
-
-## When to Use
-
-- Use when you need an intentionally broken skill PR to verify maintainer merge automation.
-
-## Instructions
-
-1. Confirm the maintainer workflow detects broken metadata and CI failures.
-2. Repair the skill and let the PR proceed to merge.