Improve accessibility on empty project page

Improved accessibility by removing  fieldsets

Changelog: changed

app/views/projects/empty.html.haml

@@ -31,51 +31,47 @@
     %p
       = _('You can also upload existing files from your computer using the instructions below.')
     .git-empty.js-git-empty
-      %fieldset
-        %h5= _('Git global setup')
-        %pre.bg-light
-          :preserve
-            git config --global user.name "#{h git_user_name}"
-            git config --global user.email "#{h git_user_email}"
+      %h5= _('Git global setup')
+      %pre.bg-light
+        :preserve
+          git config --global user.name "#{h git_user_name}"
+          git config --global user.email "#{h git_user_email}"
 
-      %fieldset
-        %h5= _('Create a new repository')
-        %pre.bg-light
-          :preserve
-            git clone #{ content_tag(:span, default_url_to_repo, class: 'js-clone')}
-            cd #{h @project.path}
-            git switch -c #{h default_branch_name}
-            touch README.md
-            git add README.md
-            git commit -m "add README"
-          - if @project.can_current_user_push_to_default_branch?
-            %span><
-              git push -u origin #{h default_branch_name }
+      %h5= _('Create a new repository')
+      %pre.bg-light
+        :preserve
+          git clone #{ content_tag(:span, default_url_to_repo, class: 'js-clone')}
+          cd #{h @project.path}
+          git switch -c #{h default_branch_name}
+          touch README.md
+          git add README.md
+          git commit -m "add README"
+        - if @project.can_current_user_push_to_default_branch?
+          %span><
+            git push -u origin #{h default_branch_name }
 
-      %fieldset
-        %h5= _('Push an existing folder')
-        %pre.bg-light
-          :preserve
-            cd existing_folder
-            git init --initial-branch=#{h default_branch_name}
-            git remote add origin #{ content_tag(:span, default_url_to_repo, class: 'js-clone')}
-            git add .
-            git commit -m "Initial commit"
-          - if @project.can_current_user_push_to_default_branch?
-            %span><
-              git push -u origin #{h default_branch_name }
+      %h5= _('Push an existing folder')
+      %pre.bg-light
+        :preserve
+          cd existing_folder
+          git init --initial-branch=#{h default_branch_name}
+          git remote add origin #{ content_tag(:span, default_url_to_repo, class: 'js-clone')}
+          git add .
+          git commit -m "Initial commit"
+        - if @project.can_current_user_push_to_default_branch?
+          %span><
+            git push -u origin #{h default_branch_name }
 
-      %fieldset
-        %h5= _('Push an existing Git repository')
-        %pre.bg-light
-          :preserve
-            cd existing_repo
-            git remote rename origin old-origin
-            git remote add origin #{ content_tag(:span, default_url_to_repo, class: 'js-clone')}
-          - if @project.can_current_user_push_to_default_branch?
-            %span><
-              git push -u origin --all
-              git push -u origin --tags
+      %h5= _('Push an existing Git repository')
+      %pre.bg-light
+        :preserve
+          cd existing_repo
+          git remote rename origin old-origin
+          git remote add origin #{ content_tag(:span, default_url_to_repo, class: 'js-clone')}
+        - if @project.can_current_user_push_to_default_branch?
+          %span><
+            git push -u origin --all
+            git push -u origin --tags
 
 - if @project.upload_anchor_data.present?
   = render 'projects/blob/upload', title: _('Upload New File'), placeholder: _('Upload New File'), button_title: _('Upload file'), form_path: project_create_blob_path(@project, default_branch_name), ref: default_branch_name, method: :post