Remove bulk add of platform creator column

Author: rsmithlal

db/migrate/20251107222131_add_creator_to_better_together_platforms.rb

@@ -3,7 +3,7 @@
 # Adds creator association to platforms
 class AddCreatorToBetterTogetherPlatforms < ActiveRecord::Migration[7.2]
   def change
-    change_table :better_together_platforms, bulk: true do |t|
+    change_table :better_together_platforms do |t|
       t.bt_creator :better_together_platforms
     end
   end