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/ja-JP/index.json

@@ -1109,9 +1109,6 @@
   "dashboard.collections.sort.recently-updated": {
     "message": "更新順(新しい順)"
   },
-  "dashboard.creator-tax-form-modal.close-button": {
-    "message": "閉じる"
-  },
   "dashboard.creator-tax-form-modal.confirmation.download-button": {
     "message": "{formType} をダウンロード"
   },