Disabled removal of .region_data form internal memory.
This file should be keept because it's still in use, and lack of file results regional lock, you can bypass it by SubGHz_bypass, but a lot of newbie users are confused with regional lock, and asking a lot.
Verification
Presence of .region_data in internal memory after update/reboot.
Checklist (For Reviewer)
[ ] PR has description of feature/bug
[ ] Description contains actions to verify feature/bugfix
[ ] I've built this code, uploaded it to the device and verified feature/bugfix
What's new
Verification
Checklist (For Reviewer)