store/tikv: remove kv.Version from package store/tikv

[AndreMouche]

Signed-off-by: AndreMouche

What problem does this PR solve?

This PR removes the usage of kv.Version from tikv package
Part of #22513

Check List

Tests

• Unit test

Release note

• No release note

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• andylokandy
• disksing

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[AndreMouche]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 561b671

[ti-chi-bot]

@AndreMouche: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

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