Code cleanup of XPU profiler for incoming scope profiler

[moksiuc]

Summary:

Code cleanup of XPU profiler plugin to prepare it for incoming PR with implementation of XPU scope profiler.

Changes:

• removed unused code
• clean up lists of included headers
• added missing copyright headers
• simplified algorithms
• run clang-format

[moksiuc]

@EikanWang, @gujinghui
First PR extracted from:
#1174

[gujinghui]

@sraikund16 Could you help review this PR? Thanks.

[moksiuc]

@sraikund16, could you review or suggest who else could do it ?

[gujinghui]

@malfet could you help review this PR? Thanks.

[meta-codesync]

@sraikund16 has imported this pull request. If you are a Meta employee, you can view this in D88693420.

[aaronenyeshi]

Review automatically exported from Phabricator review in Meta.

[sraikund16]

@moksiuc Can you make these lint changes? moksiuc#4

[facebook-github-bot]

@moksiuc has updated the pull request. You must reimport the pull request before landing.

[moksiuc]

@moksiuc Can you make these lint changes? moksiuc#4

@sraikund16 done

[moksiuc]

@sraikund16 how to run linter in this repo so I had correct format the next time ?

[sraikund16]

@sraikund16 how to run linter in this repo so I had correct format the next time ?

Unfortunately we don't have a linter in Kineto externally. We plan on adding it in the coming half

[meta-codesync]

@sraikund16 merged this pull request in 2a430df.