Remove unneeded styles for upload container

assets/css/style.css

@@ -196,11 +196,6 @@ div.upload {
   transition: .5s;
 }
 
-div.upload.active {
-  background: #ffc;
-  color: #000;
-}
-
 div.upload a {
   font-size: inherit;
   color: #22a;

assets/scss/style.scss

@@ -197,11 +197,6 @@ div.upload {
   border-radius: 5px;
   transition: .5s;
 
-  &.active {
-    background: #ffc;
-    color: #000;
-  }
-
   a {
     font-size: inherit;
     color: #22a;