side effect of mlrun#9009 where I deleted
`install-complete-kfp-requirements` in favor to
`install-complete-requirements`.

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Removed leftovers

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- [ ] I updated the documentation (if applicable)
- [ ] I have tested the changes in this PR
- [ ] I confirmed whether my changes are covered by system tests
- [ ] If yes, I ran all relevant system tests and ensured they passed
before submitting this PR
- [ ] I updated existing system tests and/or added new ones if needed to
cover my changes
- [ ] If I introduced a deprecation:
  - [ ] I followed the [Deprecation Guidelines](./DEPRECATION.md)
  - [ ] I updated the relevant Jira ticket for documentation

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- Ticket link:
- Design docs links:
- External links:

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- [ ] Yes (explain below)
- [ ] No

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