Remove visibility icon from projects list on dashboard and group page

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

CHANGELOG

 Please view this file on the master branch, on stable branches it's out of date.
 
+v 7.13.0 (unreleased)
+  - Remove project visibility icons from dashboard projects list
+
 v 7.12.0 (unreleased)
   - Update oauth button logos for Twitter and Google to recommended assets
   - Update browser gem to version 0.8.0 for IE11 support (Stan Hu)

app/assets/stylesheets/pages/dashboard.scss

@@ -28,10 +28,6 @@
   font-size: 14px;
   line-height: 24px;
 
-  .str-truncated {
-    max-width: 76%;
-  }
-
   a {
     display: block;
     padding: 8px 15px;

app/views/shared/_project.html.haml

@@ -3,8 +3,6 @@
     - if avatar
       .dash-project-avatar
         = project_icon(project, alt: '', class: 'avatar project-avatar s40')
-    .dash-project-access-icon
-      = visibility_level_icon(project.visibility_level)
     %span.str-truncated
       %span.namespace-name
         - if project.namespace