Fix player destroying.

Regression from moving to a component.

src/components/Player.vue

@@ -136,6 +136,13 @@ export default {
                     ui.configure(config);
                 });
         }
+    },
+    beforeUnmount() {
+        if (this.player) {
+            this.player.destroy();
+            this.player = undefined;
+            this.ui = undefined;
+        }
     }
 };
 </script>

src/components/WatchVideo.vue

@@ -98,13 +98,6 @@ export default {
         this.getVideoData();
         this.getSponsors();
     },
-    beforeUnmount() {
-        if (window.player) {
-            window.player.destroy();
-            window.player = undefined;
-            window.ui = undefined;
-        }
-    },
     watch: {
         "$route.query.v": function(v) {
             if (v) {