remove /add_plant, add /plants, a board to replace it

src/user.ml

@@ -149,14 +149,13 @@ let public_profile request =
   | Ok user -> (
     match user with
     | Some (nick, password, email, (bio, _)) ->
-      let plants = Plant.view_user_plant_list nick in
       let user_info =
         Format.sprintf
           {|nick = `%s`; password = `%s`; email = `%s`; bio = '%s';
     <img src="/user/%s/avatar" class="img-thumbnail" alt="Your avatar picture">|}
           nick password email (Dream.html_escape bio) nick
       in
-      user_info ^ plants
+      user_info
     | None -> "incoherent db answer" )
   | Error e -> Format.sprintf "db error: %s" (Caqti_error.show e)