remove duplicate styling

Author: dantovska

redisinsight/ui/src/components/import-file-modal/styles.module.scss

@@ -46,16 +46,6 @@
       margin-top: 4px;
     }
   }
-
-  .loading, .result {
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    justify-content: center;
-    text-align: center;
-
-    margin-top: 20px;
-  }
 }
 
 .loading, .result {