Remove header title from project pages

With new navigation design it makes no sense to duplicate title in the
header

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

app/views/projects/activity.html.haml

 - page_title "Activity"
-- header_title project_title(@project, "Activity", activity_project_path(@project))
 = render 'projects/last_push'

app/views/projects/artifacts/browse.html.haml

 - page_title 'Artifacts', "#{@build.name} (##{@build.id})", 'Builds'
-= render 'projects/builds/header_title'
 .top-block.row-content-block.clearfix
   .pull-right

app/views/projects/badges/index.html.haml

 - page_title 'Badges'
 - badges_path = namespace_project_badges_path(@project.namespace, @project)
-- header_title project_title(@project, 'Badges', badges_path)
 .prepend-top-10
   .panel.panel-default

app/views/projects/blame/show.html.haml

 - page_title "Blame", @blob.path, @ref
-- header_title project_title(@project, "Files", project_files_path(@project))
 %h3.page-title Blame view

app/views/projects/blob/_header_title.html.haml

-- header_title project_title(@project, "Files", project_files_path(@project))

app/views/projects/blob/edit.html.haml

 - page_title "Edit", @blob.path, @ref
-= render "header_title"
 .file-editor
   %ul.nav-links.no-bottom.js-edit-mode

app/views/projects/blob/new.html.haml

 - page_title "New File", @path.presence, @ref
-= render "header_title"
 %h3.page-title
   New File

app/views/projects/blob/show.html.haml

 - page_title @blob.path, @ref
-= render "header_title"
 = render 'projects/last_push'

app/views/projects/branches/index.html.haml

 - page_title "Branches"
-= render "projects/commits/header_title"
 = render "projects/commits/head"
 .row-content-block
   .pull-right

app/views/projects/branches/new.html.haml

 - page_title "New Branch"
-= render "projects/commits/header_title"
 - if @error
   .alert.alert-danger

app/views/projects/builds/_header_title.html.haml

-- header_title project_title(@project, "Builds", project_builds_path(@project))

app/views/projects/builds/index.html.haml

 - page_title "Builds"
-= render "header_title"
 .top-area
   %ul.nav-links

app/views/projects/builds/show.html.haml

 - page_title "#{@build.name} (##{@build.id})", "Builds"
-= render "header_title"
 - trace_with_state = @build.trace_with_state
 .build-page

app/views/projects/commit/builds.html.haml

 - page_title "Builds", "#{@commit.title} (#{@commit.short_id})", "Commits"
-= render "projects/commits/header_title"
+
 .prepend-top-default
   = render "commit_box"
-= render "ci_menu"
+= render "ci_menu"
 = render "builds"

app/views/projects/commit/show.html.haml

 - page_title        "#{@commit.title} (#{@commit.short_id})", "Commits"
 - page_description  @commit.description
-= render "projects/commits/header_title"
-
 .prepend-top-default
   = render "commit_box"
 - if @commit.status

app/views/projects/commits/_header_title.html.haml

-- header_title project_title(@project, "Commits", project_commits_path(@project))

app/views/projects/commits/show.html.haml

 - page_title "Commits", @ref
-= render "header_title"
 = content_for :meta_tags do
   - if current_user
     = auto_discovery_link_tag(:atom, namespace_project_commits_url(@project.namespace, @project, @ref, format: :atom, private_token: current_user.private_token), title: "#{@project.name}:#{@ref} commits")

app/views/projects/compare/index.html.haml

 - page_title "Compare"
-= render "projects/commits/header_title"
 = render "projects/commits/head"
 .row-content-block

app/views/projects/compare/show.html.haml

 - page_title "#{params[:from]}...#{params[:to]}"
-= render "projects/commits/header_title"
 = render "projects/commits/head"

app/views/projects/container_registry/_header_title.html.haml

-- header_title project_title(@project, "Container Registry", project_container_registry_path(@project))