Deprecation: #68760 - Deprecate class ModuleSettings

See forge#68760

Description

In older TYPO3 versions t3lib_modSettings (as ModuleSettings class was called before) was used to save the current settings of backend modules. This kind of settings is nowadays stored in backend users uc array. For that reason ModuleSettings is now marked for removal in TYPO3 CMS 8.

Impact

Using ModuleSettings will trigger a deprecation log entry.

Affected Installations

Any TYPO3 installation with custom extensions using this class and its methods.

Migration

Remove usage of this class from custom extensions.