Dont render merge request target branch in list

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/views/projects/merge_requests/_merge_request.html.haml

@@ -14,11 +14,6 @@
         %span
           %i.fa.fa-ban
           CLOSED
-      - else
-        %span.hidden-xs.hidden-sm
-          %span.label-branch<
-            %i.fa.fa-code-fork
-            %span= merge_request.target_branch
       - note_count = merge_request.mr_and_commit_notes.user.count
       - if merge_request.assignee
         &nbsp;