Fix lint offences

app/views/merge_requests/show.html.erb

@@ -27,8 +27,8 @@
 </h1>
 <% unless @merge_request.status == "request_merged" %>
 <div class="govuk-button-group">
-  <%= govuk_button_link_to "Begin merge", nil, html: { method: :get }, disabled: @merge_request.status == "ready_to_merge" ? false : true %>
-  <%= govuk_button_link_to "Delete merge request", delete_confirmation_merge_request_path(@merge_request), warning: true%>
+  <%= govuk_button_link_to "Begin merge", nil, html: { method: :get }, disabled: !(@merge_request.status == "ready_to_merge") %>
+  <%= govuk_button_link_to "Delete merge request", delete_confirmation_merge_request_path(@merge_request), warning: true %>
 </div>
 <% end %>