remove unused settings

config/config.exs

@@ -72,10 +72,6 @@ config :pleroma, :fe,
   redirect_root_no_login: "/main/all",
   redirect_root_login: "/main/friends",
   show_instance_panel: true,
-  show_who_to_follow_panel: false,
-  who_to_follow_provider:
-    "https://vinayaka.distsn.org/cgi-bin/vinayaka-user-match-osa-api.cgi?{{host}}+{{user}}",
-  who_to_follow_link: "https://vinayaka.distsn.org/?{{host}}+{{user}}",
   scope_options_enabled: false,
   collapse_message_with_subject: false