ci: remove custom run-name

[jumpy-cat]

Description

Changed the github actions workflow to use the default title of commit title instead of "CI for cryptic/path/here"

Type of Change

• New feature (feat)
• Bug fix (fix)
• Refactor / code improvement
• Dependency / build update
• Documentation
• Other (explain)

Related Issues

none

Changes Made

• CI: removed one line of yaml unsetting the custom run name

Testing Done

Flutter: n/a

• new branches show up in docs.mb.thething.fyi
• runs have commit msg in their name

Screenshots / Demo (if UI or notification change)

before + after

Checklist

• Commit messages follow Conventional Commits
• PR title follows [type](scope): short description
• PR target branch is not main and is our current working update branch (e.g. maizebus2.1)
• No print() / debugPrint() / console.log() left in production code
• Secrets / keys not committed

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