Issue #3506410 by grimreaper: CSS: remove useless CSS loaded on all pages.

ui_suite_bootstrap.info.yml

@@ -74,6 +74,9 @@ libraries-override:
         css/components/clearfix.module.css: false
         css/components/container-inline.module.css: false
         css/components/tablesort.module.css: false
+        css/components/system-status-counter.css: false
+        css/components/system-status-report-counters.css: false
+        css/components/system-status-report-general-info.css: false
   text/drupal.text: ui_suite_bootstrap/drupal.text
   clientside_validation_jquery/cv.jquery.ife: false
   commerce_cart/cart_block: false