Fix the icons of #1564 and remove a useless line

src/invidious/views/template.ecr

@@ -114,15 +114,14 @@
                         </a>
                     </div>
                     <div class="pure-u-1 pure-u-md-1-3">
-                        <i class="icon wallet-outline"></i>
+                        <i class="icon ion-wallet-outline"></i>
                         BTC: <a href="bitcoin:bc1qfhe7rq3lqzuayzjxzyt9waz9ytrs09kla3tsgr">bc1qfhe7rq3lqzuayzjxzyt9waz9ytrs09kla3tsgr</a>
                     </div>
                     <div class="pure-u-1 pure-u-md-1-3">
-                        <i class="icon wallet-outline"></i>
+                        <i class="icon ion-wallet-outline"></i>
                         XMR: <a href="monero:41nMCtek197boJtiUvGnTFYMatrLEpnpkQDmUECqx5Es2uX3sTKKWVhSL76suXsG3LXqkEJBrCZBgPTwJrDp1FrZJfycGPR">Click here</a>
                     </div>
                     <div class="pure-u-1 pure-u-md-1-3">
-                        <i class="icon"></i>
                         <a href="https://github.com/iv-org/documentation">Documentation</a>
                     </div>
                     <div class="pure-u-1 pure-u-md-1-3">