Issue #3512284 by catch, jacine, feuerwagen: Remove details.css since it is no longer needed

Author: nod_

modules/system/css/components/details.module.css

@@ -6,7 +6,6 @@ base:
       css/components/align.module.css: { weight: -10 }
       css/components/container-inline.module.css: { weight: -10 }
       css/components/clearfix.module.css: { weight: -10 }
-      css/components/details.module.css: { weight: -10 }
       css/components/hidden.module.css: { weight: -10 }
       css/components/item-list.module.css: { weight: -10 }
       css/components/js.module.css: { weight: -10 }

modules/system/system.libraries.yml

@@ -232,7 +232,6 @@ libraries-override:
         css/components/align.module.css: css/system/components/align.module.css
         css/components/container-inline.module.css: css/system/components/container-inline.module.css
         css/components/clearfix.module.css: css/system/components/clearfix.module.css
-        css/components/details.module.css: css/system/components/details.module.css
         css/components/hidden.module.css: css/system/components/hidden.module.css
         css/components/item-list.module.css: css/system/components/item-list.module.css
         css/components/js.module.css: css/system/components/js.module.css