Fix duplicating participants in milestone

app/controllers/milestones_controller.rb

@@ -32,7 +32,7 @@ class MilestonesController < ProjectResourceController
 
   def show
     @issues = @milestone.issues
-    @users = @milestone.participants
+    @users = @milestone.participants.uniq
     @merge_requests = @milestone.merge_requests
 
     respond_to do |format|

app/views/milestones/show.html.haml

@@ -87,7 +87,6 @@
 %h6 Participants:
 %div
   - @users.each do |user|
-    = link_to user do
-      = link_to_member(@project, user)
+    = link_to_member(@project, user)
 
 .clearfix