Remove unused files (#1008)

Author: christhompsongoogle

src/components/Database/icons.tsx

@@ -15,10 +15,11 @@
  */
 
 @import '../../index.scss';
-@import '../Header/variables.scss';
 @import '../../../Requests/variables.scss';
 @import '../../../../common/radius';
 
+$filters-header-height: 0px;
+
 // Table th
 $table-header-height: 31px;