Do not require SUSE-Manager-Server-release for susemanager-branding-oss

[juliogonzalez]

What does this PR change?

Do not require SUSE-Manager-Server-release for susemanager-branding-oss

We only required it because of the EULA, as that package has it, but unfortunately we won't be able to depend on it, as SUSE-Manager-Server-release is a package for the host, and not for the containers.

SUSE-Manager-Server-release is generated in the SLE15SP5 based codestream, while other packages including susemanager-branding-oss are based in the SLE15SP6 codestream, and doesn't have visibility of this

We'll need to find a way of getting the EULA. Could be buildrequiring a skelcd package that has it.

Does not build for Uyuni neither on top of openSUSE or on top of SLE: https://build.opensuse.org/package/show/home:juliogonzalez:branches:systemsmanagement:Uyuni:Master/susemanager-branding-oss
Builds on top of SLE: https://build.suse.de/package/show/home:juliogonzalezgil:branches:Devel:Galaxy:Manager:Head/susemanager-branding-oss

GUI diff

No difference.

• DONE

Documentation

• No documentation needed: Internal change

• DONE

Test coverage

• No tests: Problems detected by OBS.

• DONE

Links

Issue(s): https://github.com/SUSE/spacewalk/issues/22011

• DONE

Changelogs

Make sure the changelogs entries you are adding are compliant with https://github.com/uyuni-project/uyuni/wiki/Contributing#changelogs and https://github.com/uyuni-project/uyuni/wiki/Contributing#uyuni-projectuyuni-repository

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Re-run a test

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• Re-run test "changelog_test"
• Re-run test "backend_unittests_pgsql"
• Re-run test "java_pgsql_tests"
• Re-run test "schema_migration_test_pgsql"
• Re-run test "susemanager_unittests"
• Re-run test "javascript_lint"
• Re-run test "spacecmd_unittests"

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[deneb-alpha]

LGTM now, thanks