How does your org/team handle cleaning up code?
I have seen 4 big patterns in my career.
1. you do a little all the time in every PR/MR
2. you do regular PR/MRs that are separate clean ups from feature work, but not ticketed
3. you do have refactor or clean up tickets to do this work
4. you do them as projects
I'm not saying these are mutually exclusive either. You can do all 4 in an org.
So what have you seen in your experience? What's common?