Remove portrait-specific upgrade button sizing

gorge.css

@@ -341,17 +341,6 @@ button {
   transform: scale(1.25, 1.25);
 }
 
-@media (max-aspect-ratio: 1/1) {
-  .upgrade-button {
-    width: 13vw;
-    height: 13vw;
-  }
-
-  .upgrade-button > .fas {
-    font-size: 10vw;
-  }
-}
-
 .upgrade-button-inactive {
   background-color: #222 !important;
   color: #999 !important;