Remove awesome-claude-skills plugin repository

Author: blzjzhu

code_assistant_manager/plugin_repos.json

@@ -101,14 +101,5 @@
     "repoOwner": "thedotmack",
     "repoName": "claude-mem",
     "repoBranch": "main"
-  },
-  "awesome-claude-skills": {
-    "name": "awesome-claude-skills",
-    "description": "A curated marketplace of practical Claude Skills for enhancing productivity across Claude.ai, Claude Code, and the Claude API",
-    "enabled": true,
-    "type": "marketplace",
-    "repoOwner": "ComposioHQ",
-    "repoName": "awesome-claude-skills",
-    "repoBranch": "master"
   }
-}
+}