refactor(i18n): use common messages for generic button labels (#7020)

A few components defined their own "Cancel", "Close", "Clear" and
"Success" descriptors when commonMessages already has them. Swapped
them over and removed the old ones.

Locale files come from intl:prune-local dropping the now-orphaned
strings across every language.

apps/frontend/src/locales/zh-TW/index.json

@@ -1481,9 +1481,6 @@
   "dashboard.collections.sort.recently-updated": {
     "message": "最近更新"
   },
-  "dashboard.creator-tax-form-modal.close-button": {
-    "message": "關閉"
-  },
   "dashboard.creator-tax-form-modal.confirmation.download-button": {
     "message": "下載 {formType}"
   },
@@ -2984,9 +2981,6 @@
   "modpack-scan-modal.delete-all-groups.error": {
     "message": "無法清除所有群組：{error}"
   },
-  "modpack-scan-modal.delete-all-groups.proceed": {
-    "message": "清除"
-  },
   "modpack-scan-modal.delete-all-groups.success": {
     "message": "已成功清除所有群組。"
   },
@@ -3026,9 +3020,6 @@
   "modpack-scan-modal.scanning": {
     "message": "正在掃描..."
   },
-  "modpack-scan-modal.success": {
-    "message": "成功"
-  },
   "modpack-scan-modal.title": {
     "message": "模組包掃描（{scanned}/{total} 個檔案）"
   },