Cleanup error page

error.vue

@@ -14,55 +14,3 @@
         </NuxtLayout>
     </div>
 </template>
-<script>
-import EventBus from '@/layouts/AppEventBus';
-
-export default {
-    watch: {
-        $route: {
-            handler(to) {
-                if (to.name === 'index') {
-                    this.themeChangeListener({ theme: this.$appState.darkTheme ? 'aura-dark-green' : 'aura-light-green', dark: this.$appState.darkTheme });
-                }
-            }
-        }
-    },
-    created() {
-        useServerHead({
-            link: [
-                {
-                    id: 'theme-link',
-                    rel: 'stylesheet',
-                    href: '/themes/aura-light-green/theme.css'
-                }
-            ]
-        });
-    },
-    mounted() {
-        EventBus.on('theme-change', this.themeChangeListener);
-    },
-    beforeUnmount() {
-        EventBus.off('theme-change', this.themeChangeListener);
-    },
-    methods: {
-        themeChangeListener(event) {
-            if (!document.startViewTransition) {
-                this.applyTheme(event);
-
-                return;
-            }
-
-            document.startViewTransition(() => this.applyTheme(event));
-        },
-        applyTheme(event) {
-            // @todo
-            /*this.$primevue.changeTheme(this.$appState.theme, event.theme, 'theme-link', () => {
-                this.$appState.theme = event.theme;
-                this.$appState.darkTheme = event.dark;
-
-                EventBus.emit('dark-mode-toggle', { theme: event.theme, dark: event.dark });
-            });*/
-        }
-    }
-};
-</script>