Remove unnecessary columns from query (#47)

We're not showing these first patch sizes on the commitfest page.

Author: JelteF

pgcommitfest/commitfest/views.py

@@ -312,8 +312,6 @@ def commitfest(request, cfid):
             branch.status as branch_status,
             branch.apply_url,
             branch.patch_count,
-            branch.first_additions,
-            branch.first_deletions,
             branch.all_additions,
             branch.all_deletions
         FROM commitfest_cfbotbranch branch