chore: Use feature_flags attribute instead of settings_flags (#6820)

* chore: Use feature_flag instead of settings_flag

* Remove unnecessary changes

db/migrate/20230404030719_remove_settings_flags_from_account.rb

@@ -0,0 +1,13 @@
+class RemoveSettingsFlagsFromAccount < ActiveRecord::Migration[6.1]
+  def up
+    change_table :accounts do |t|
+      t.remove :settings_flags
+    end
+  end
+
+  def down
+    change_table :accounts do |t|
+      t.integer :settings_flags, default: 0, null: false
+    end
+  end
+end