Merge branch 'remove-default-project-icon' into 'master'

Remove default project icon

See merge request !1434

app/helpers/application_helper.rb

@@ -56,8 +56,6 @@ module ApplicationHelper
       image_tag project.avatar.url, options
     elsif project.avatar_in_git
       image_tag project_avatar_path(project), options
-    elsif options[:only_uploaded]
-      image_tag '/assets/no_project_icon.png', options
     else # generated icon
       project_identicon(project, options)
     end

app/views/projects/edit.html.haml

@@ -89,8 +89,6 @@
               .col-sm-10
                 - if @project.avatar?
                   = project_icon(@project.to_param, alt: '', class: 'avatar s160')
-                - else
-                  = project_icon(@project.to_param, alt: '', class: 'avatar s160', only_uploaded: true)
                 %p.light
                   - if @project.avatar_in_git
                     Project avatar in repository: #{ @project.avatar_in_git }