Cleaner unstage devices

[rajendraindukuri]

Description

• Adds a cleaner way to delete multipath devices.
• This implementation is based on steps as per the RH docs which now makes the cleanup standardised.
• It takes in a WWN, identify the devices and clean them as per the current status

GitHub Issues

List the GitHub issues impacted by this PR:

GitHub Issue #
https://github.com/dell/csm/issues/2010

Checklist:

• I have performed a self-review of my own code to ensure there are no formatting, vetting, linting, or security issues
• I have verified that new and existing unit tests pass locally with my changes
• I have not allowed coverage numbers to degenerate
• I have maintained at least 90% code coverage
• I have commented on my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• Backward compatibility is not broken

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please also list any relevant details for your test configuration

• Manual Testing on the CSI node.
  CleanupTestValidation1.txt

• More test results are attached to internal issue.

[github-actions]

Merging this branch changes the coverage (1 decrease, 1 increase)

Impacted Packages	Coverage Δ	🤖
github.com/dell/gobrick	85.55% (+0.30%)	👍
github.com/dell/gobrick/internal/multipath	0.00% (ø)
github.com/dell/gobrick/pkg/multipath	91.30% (-7.43%)	👎
github.com/dell/gobrick/pkg/scsi	96.55% (ø)

---

Coverage by file

Changed files (no unit tests)

Changed File	Coverage Δ	Total	Covered	Missed	🤖
github.com/dell/gobrick/base.go	90.13% (-5.82%)	233 (+85)	210 (+68)	23 (+17)	👎
github.com/dell/gobrick/fc.go	83.65% (-1.36%)	312 (+5)	261	51 (+5)	👎
github.com/dell/gobrick/internal/multipath/interface.go	0.00% (ø)	0	0	0
github.com/dell/gobrick/internal/multipath/multipath_mock.go	0.00% (ø)	0	0	0
github.com/dell/gobrick/pkg/multipath/multipath.go	91.30% (-7.43%)	115 (+36)	105 (+27)	10 (+9)	👎
github.com/dell/gobrick/pkg/scsi/scsi.go	96.55% (ø)	290	280	10

Please note that the "Total", "Covered", and "Missed" counts above refer to code statements instead of lines of code. The value in brackets refers to the test coverage of that file in the old version of the code.

Changed unit test files

• github.com/dell/gobrick/base_test.go
• github.com/dell/gobrick/pkg/multipath/multipath_test.go

[Deepak-Ghivari]

LGTM