Use material style for trash icon

src/invidious/views/history.ecr

@@ -16,9 +16,8 @@
                             <a onclick="mark_unwatched(this)"
                                 data-id="<%= item %>"
                                 onmouseenter='this["href"]="javascript:void(0)"'
-                                href="/mark_unwatched?id=<%= item %>"'
+                                href="/mark_unwatched?id=<%= item %>">
-                            >
+                                <i class="icon ion-md-trash"></i>
-                                <i class="icon ion-ios-trash"></i>
                             </a>
                         </p>
                     </div>