Remove suggested approvers

Closes https://gitlab.com/gitlab-org/gitlab/-/issues/284825

ee/app/views/shared/issuable/_approver_suggestion.haml

@@ -13,10 +13,6 @@
   = sprite_icon('spinner', size: 24, css_class: 'gl-spinner')
 - if can_update_approvers
   - approver_presenter = MergeRequestApproverPresenter.new(issuable, skip_user: current_user)
-  .form-text.text-muted.suggested-approvers
-    - if approver_presenter.any?
-      Suggested approvers:
-      = approver_presenter.render
   - if approver_presenter.show_code_owner_tips?
     .form-text.text-muted
       = _('Tip: add a')

ee/spec/views/shared/issuable/_approvals.html.haml_spec.rb

@@ -22,27 +22,12 @@ RSpec.describe 'shared/issuable/_approvals.html.haml' do
   end
 
   context 'has no approvers' do
-    context 'when mr_collapsed_approval_rules feature flag is off' do
-      before do
-        stub_feature_flags(mr_collapsed_approval_rules: false)
-        render 'shared/issuable/approvals', form: form, issuable: merge_request, presenter: presenter
-      end
-
-      it 'shows suggested approvers' do
-        expect(rendered).to have_css('.suggested-approvers')
-      end
-    end
-
     context 'can not override approvers' do
       before do
         allow(view).to receive(:can?).with(user, :update_approvers, merge_request).and_return(false)
         render 'shared/issuable/approvals', form: form, issuable: merge_request, presenter: presenter
       end
 
-      it 'hides suggested approvers' do
-        expect(rendered).not_to have_css('.suggested-approvers')
-      end
-
       it 'hides select approvers field' do
         expect(rendered).not_to have_css('#merge_request_approver_ids')
       end