Removing unused styles

ui/src/style/enterprise_style/application.scss

@@ -7,7 +7,6 @@
 @import 'theme-dark';
 @import 'tasks';
 @import 'users';
-@import 'sub-page';
 @import 'roles';
 @import 'retention-policies';
 @import 'signup';

ui/src/style/enterprise_style/sub-page.scss

@@ -1,24 +0,0 @@
-.panel-group.sub-page {
-
-  .panel {
-    margin-bottom: 16px;
-  }
-  .panel-collapse > .panel-body {
-    border-top: 2px solid $g19-ghost;
-  }
-  .panel-heading {
-    padding: 10px 30px;
-
-    .panel-title a[data-toggle="collapse"] {
-      font-weight: 400;
-    }
-
-    p {
-      margin: 0 20px 0 0;
-      font-size: 14px;
-      display: inline-block;
-      vertical-align: middle;
-    }
-  }
-}
-