Remove unused search getting started spaces bundle.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: rudolf

x-pack/solutions/search/plugins/search_getting_started/kibana.jsonc

@@ -25,8 +25,7 @@
     ],
     "requiredBundles": [
       "agentBuilder",
-      "kibanaReact",
-      "spaces",
+      "kibanaReact"
     ]
   }
 }