Remove outdated comment from commits_controller

app/controllers/projects/commits_controller.rb

@@ -17,7 +17,7 @@ class Projects::CommitsController < Projects::ApplicationController
         group(:commit_id).count
 
     respond_to do |format|
-      format.html # index.html.erb
+      format.html
       format.json { pager_json("projects/commits/_commits", @commits.size) }
       format.atom { render layout: false }
     end