Problem/Motivation
.module files are only necessary when there are preprocess functions now that almost all hooks can be OOP
Steps to reproduce
Open file
Proposed resolution
- Move functions from module to Callbacks class.
- Add return type to moved functions.
Remaining tasks
None
User interface changes
N/A
Introduced terminology
N/A
API changes
N/A
Data model changes
N/A
Release notes snippet
N/A