dracut: Drop dracut multiple confdirs patch

[Camelron]

Merge Checklist

All boxes should be checked before merging the PR (just tick any boxes which don't apply to this PR)

• The toolchain has been rebuilt successfully (or no changes were made to it)
• The toolchain/worker package manifests are up-to-date
• Any updated packages successfully build (or no packages were changed)
• Packages depending on static components modified in this PR (Golang, *-static subpackages, etc.) have had their Release tag incremented.
• Package tests (%check section) have been verified with RUN_CHECK=y for existing SPEC files, or added to new SPEC files
• All package sources are available
• cgmanifest files are up-to-date and sorted (./cgmanifest.json, ./toolkit/scripts/toolchain/cgmanifest.json, .github/workflows/cgmanifest.json)
• LICENSE-MAP files are up-to-date (./LICENSES-AND-NOTICES/SPECS/data/licenses.json, ./LICENSES-AND-NOTICES/SPECS/LICENSES-MAP.md, ./LICENSES-AND-NOTICES/SPECS/LICENSE-EXCEPTIONS.PHOTON)
• All source files have up-to-date hashes in the *.signatures.json files
• sudo make go-tidy-all and sudo make go-test-coverage pass
• Documentation has been updated to match any changes to the build system
• Ready to merge

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Summary

What does the PR accomplish, why was it needed?
0007-feat-dracut.sh-support-multiple-config-dirs introduces the ability to invoke dracut with a non-standard dracut conf directory. We have no mechanism to utilize this feature, doubly so after dropping mkinitrd.sh from our distro.

The scenario of supporting multiple kernel flavors on one image is not a realistic one. As a distro, we should favor shipping specific kernels on specific images for specific intended target platforms.

This feature is intended mainly for kernels which supply/support different sets of modules/features but this is not needed because above decision. Dropping the patch.

Change Log

• Drop 0007-feat-dracut.sh-support-multiple-config-dirs.patch

Does this affect the toolchain?

NO

Associated issues

• drop 0007-feat-dracut.sh-support-multiple-config-dirs.patch #9543

Test Methodology

• Buddy build https://dev.azure.com/mariner-org/mariner/_build/results?buildId=618562&view=results