fix SearXNG current image settings

searxng/settings.yml

@@ -5,7 +5,6 @@ server:
   secret_key: "${SEARXNG_SECRET_KEY}"
   limiter: true
   image_proxy: false
-  public_instance: false
 search:
   formats:
     - html
@@ -16,11 +15,3 @@ outgoing:
   request_timeout: 8.0
   max_request_timeout: 10.0
   retries: 0
-categories_as_tabs:
-  general:
-    engines:
-      - google
-      - bing
-      - duckduckgo
-      - brave
-      - wikipedia