fix(settings): consolidate mcp-client-skills plugin configuration

.claude/settings.json

@@ -55,6 +55,7 @@
   },
   "enabledPlugins": {
     "context7@claude-plugins-official": true,
-    "typescript-lsp@claude-plugins-official": true
+    "typescript-lsp@claude-plugins-official": true,
+    "mcp-client-skills@growi-mcp-tools": true
   }
 }

apps/app/.claude/settings.json

@@ -1,5 +0,0 @@
-{
-  "enabledPlugins": {
-    "mcp-client-skills@growi-mcp-tools": true
-  }
-}