Move ERC-20 warning from address-token view to receive/QR view

The warning about only sending ERC-20 tokens on the Ethereum network
belongs on the receive page where the QR code is shown, not on the
token detail view. Non-token receive flows hide the warning.

src/popup/views/home.js

@@ -424,6 +424,7 @@ function init(ctx) {
                 color: { dark: "#000000", light: "#ffffff" },
             });
         }
+        $("receive-erc20-warning").classList.add("hidden");
         showView("receive");
     });
 }