fix(completions): stop storing lists in swizdb

[flying-sausages]

Description

Completions were only re-generated on box update, now they're just dynamic

Fixes issues:

• Storing hardcoded lists

Proposed Changes:

• missing box it, box rm and box test commands

Change Categories

• Bug fix
• Change in functions

Checklist

• Branch was made off the develop branch and the PR is targetting the develop branch
• Docs have been made OR are not necessary
  • PR link:
• Changes to panel have been made OR are not necessary
  • PR link:
• Code is formatted (See more)
• Code conforms to project structure (See more)
• Shellcheck isn't screaming (See more)
• Prints to terminal are handled (See more)
• I have commented my code, particularly in hard-to-understand areas
• Testing was done
  • Tests created or no new tests necessary
  • Tests executed

Test scenarios

Architectures

	amd64	armhf	arm64	Unspecified
Focal			yup
Bionic
Buster
Stretch
Raspbian	⚫️		⚫️	⚫️

✅❎ Passed

🛠🛠 TODO

❌❌ Currently failing

[flying-sausages]

@userdocs Just FYI that this is being changed, please let me know if this works for you right the permissions have since been changed (and get checked by CI) so this is now possible, even from non-master users

[flying-sausages]

@brettpetch do you think you could give this one a test?