refactor: remove useHeadFixed workaround (#1938)

Co-authored-by: Ayaka Rizumu <464388324@qq.com>

composables/setups.ts

@@ -12,7 +12,7 @@ export function setupPageHeader() {
     return acc
   }, {} as Record<string, Directions>)
 
-  useHeadFixed({
+  useHead({
     htmlAttrs: {
       lang: () => locale.value,
       dir: () => localeMap[locale.value] ?? 'ltr',

composables/vue.ts

@@ -1,7 +1,5 @@
 import type { ComponentInternalInstance } from 'vue'
 import { onActivated, onDeactivated, ref } from 'vue'
-import type { ActiveHeadEntry, HeadEntryOptions, UseHeadInput } from '@vueuse/head'
-import type { SchemaAugmentations } from '@unhead/schema'
 
 export const isHydrated = ref(false)
 
@@ -36,27 +34,3 @@ export function onReactivated(hook: Function, target?: ComponentInternalInstance
   }, target)
   onDeactivated(() => initial.value = false)
 }
-
-// TODO: Workaround for Nuxt bug: https://github.com/elk-zone/elk/pull/199#issuecomment-1329771961
-export function useHeadFixed<T extends SchemaAugmentations>(input: UseHeadInput<T>, options?: HeadEntryOptions): ActiveHeadEntry<UseHeadInput<T>> | void {
-  const deactivated = useDeactivated()
-  if (input && typeof input === 'object' && !('value' in input)) {
-    const title = 'title' in input ? input.title : undefined
-    if (process.server && title) {
-      input.meta = input.meta || []
-      if (Array.isArray(input.meta)) {
-        input.meta.push(
-          { property: 'og:title', content: (typeof input.title === 'function' ? input.title() : input.title) as string },
-        )
-      }
-    }
-    else if (title) {
-      (input as any).title = () => isHydrated.value ? typeof title === 'function' ? title() : title : ''
-    }
-  }
-  return useHead(() => {
-    if (deactivated.value)
-      return {}
-    return resolveUnref(input)
-  }, options)
-}