Breaking: #72385 - Removed deprecated code from DataHandler

See forge#72385

Description

Removed deprecated code from DataHandler

The following properties have been removed:

stripslashes_values clear_flexFormData_vDEFbase include_filefunctions

The following methods have been removed:

checkValue_text() checkValue_input() checkValue_check() checkValue_radio() checkValue_group_select() checkValue_flex()

Additionally, the method getLocalTCE() does not accept any parameter anymore.

Impact

Using one of these methods or properties will throw a fatal error.

Affected Installations

An extension relying on one of these public properties or methods will fail.

Migration

These functions are internal and should not be used outside of the core.