Remove unneeded dom prop initialization.

app/views/projects/merge_requests/widget/_open.html.haml

-- approvers_names = @merge_request.approvers_left.map(&:name).to_json
-- approvals_required = @merge_request.approvals_required
-- approvals_left = @merge_request.approvals_left
-- content_for :page_specific_javascripts do
-  = page_specific_javascript_tag('merge_request_widget/widget_bundle.js')
-
-#merge-request-widget-app.mr-state-widget{'data-approved-by-users' => @merge_request.approved_by_users.to_json, 'data-approver-names' => approvers_names,'data-approvals-left' => approvals_left, 'data-approvals-required' => approvals_required, 'data-endpoint'=> '/myendpoint/tho'}
+#merge-request-widget-app.mr-state-widget{'data-endpoint'=> '/myendpoint/tho'}
   = render 'projects/merge_requests/widget/heading'
   .mr-widget-body
     -# After conflicts are resolved, the user is redirected back to the MR page.
@@ -30,7 +24,7 @@
     - elsif @merge_request.work_in_progress?
       = render 'projects/merge_requests/widget/open/wip'
     - elsif @merge_request.requires_approve? && !@merge_request.approved?
-      %approvals-body{':approver-names' => 'approvals.approverNames', ':approvals-left' => 'approvals.approvalsLeft', ':user-can-approve' => 'approvals.userCanApprove', ':user-has-approved' => 'approvals.userHasApproved'}
+      %approvals-body
     - elsif @merge_request.merge_when_build_succeeds?
       = render 'projects/merge_requests/widget/open/merge_when_build_succeeds'
     - elsif !@merge_request.can_be_merged_by?(current_user)
@@ -54,5 +48,8 @@
         = mr_assign_issues_link
 
   - if @merge_request.approvals.any?
-    %approvals-footer{':approved-by-users' => 'approvals.approvedByUsers', ':approver-names' => 'approvals.approverNames', ':approvals-left' => 'approvals.approvalsLeft', ':user-can-approve' => 'approvals.userCanApprove', ':user-has-approved' => 'approvals.userHasApproved', 'pending-avatar-svg' => custom_icon('icon_dotted_circle'), 'checkmark-svg' => custom_icon('icon_checkmark') }
+    %approvals-footer{'pending-avatar-svg' => custom_icon('icon_dotted_circle'), 'checkmark-svg' => custom_icon('icon_checkmark') }
+
+- content_for :page_specific_javascripts do
+  = page_specific_javascript_tag('merge_request_widget/widget_bundle.js')