Revert "Translated using Weblate (Dutch (ISO 639-2))"

This reverts commit cd941dd5c35edea1bcd0a68a1c9d45cfc9a5ffb0.
Revert "Translated using Weblate (Dutch (ISO 639-2))"

This reverts commit d5fec4d2689b4bcb798feec00a663f52be2a09cd.
Revert "Added all the CakePHP core texts to the locale files"

This reverts commit 88fa3a141ccc409ed855c6219a735d66f34bb7b9.