Revert "A group_match always has match_scores attached"

This reverts commit 78617793

spec/factories/matches.rb

@@ -34,10 +34,13 @@ FactoryBot.define do
   factory :group_match, class: Match do
     group
     position { 0 }
+    factory :running_group_match do
       transient do
         match_scores_count { 2 }
       end
-    factory :running_group_match do
+      after(:create) do |match, evaluator|
+        match.match_scores = create_list(:match_score, evaluator.match_scores_count)
+      end
       state { :in_progress }
     end
 
@@ -50,9 +53,5 @@ FactoryBot.define do
       end
       state { :finished }
     end
-
-    after(:create) do |match, evaluator|
-      match.match_scores = create_list(:match_score, evaluator.match_scores_count)
-    end
   end
 end