Remove :creator trait in conditions_questions_spec

- The removed `:creator` trait was creating an extra user that these tests don't appear to need. `create(:role, :creator, :editor, :commenter, user: @user, plan: @plan)` on line 23 seems to be assigning the intended user as plan.creator.

Author: aaronskiba

spec/features/questions/conditions_questions_spec.rb

@@ -7,7 +7,7 @@
   before(:each) do
     @user = create(:user)
     @template = create(:template, :default, :published)
-    @plan = create(:plan, :creator, template: @template)
+    @plan = create(:plan, template: @template)
     @phase = create(:phase, template: @template)
     # 3 sections for ensuring that conditions involve questions in different sections.
     @section1 = create(:section, phase: @phase)