Simplified make's clean targets

[longrunningprocess]

Description

Over time, I've come to realize that the clean-volumes target wasn't really understood well and therefore unused. I decide to simply get rid of that use case altogether.

Type of Change

• DX improvement

Screenshots

N/A

Testing on your branch

• make clean should still shut down all services and clean up stopped containers
• make clean-powerwash should get rid of all volumes, built images, dangling resources as well as build caches

Checklist

• I have performed a self-review of my own code
• I have reviewed the title/description of this PR which will be used as the squashed PR commit message
• I have commented my code, particularly in hard-to-understand areas
• I have added tests that prove my fix is effective or that my feature works

qa.languageforge.org testing

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• Reviewer1 (YYYY-MM-DD HH:MM)
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[github-actions]

Unit Test Results

368 tests   368 ✔️  12s ⏱️
    1 suites      0 💤
    1 files        0 ❌

Results for commit 93eb1b5.

♻️ This comment has been updated with latest results.

[megahirt]

LGTM this is a nice all-around improvement!