Deletes the value with the specified identifier and returns true on success. Returns false if this method is called incorrectly, deletion fails or an exception is thrown. For read-only and don't-delete values this method will return true even though deletion failed.

Deletes the value with the specified identifier and returns true on success. Returns false if this method is called incorrectly or an exception is thrown. For read-only and don't-delete values this method will return true even though deletion failed.