PageStorage MVCC refine : removed VersionSet and VersionSetWithDelta header file

[jiaqizho]

What problem does this PR solve?

Issue Number: close #3411

Problem Summary:

What is changed and how it works?

Proposal: xxx

What's Changed:

1. removed interface form Page/mvcc/VersionSetWithDelta(only one sub class used) and delete the VersionSet(no more used)
2. moved .h which under Page/mvcc into Page/V2/mvcc/PageEntriesVersionSetWithDelta.h as a hard logic.

Related changes

• PR to update pingcap/docs/pingcap/docs-cn:
• Need to cherry-pick to the release branch:

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

Release note

None

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• JaySon-Huang

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[jiaqizho]

/run-unit-test

[JaySon-Huang]

I've made some changes and add gtest_page_entry_map.cpp back.

And I think we can also merge Storages/Page/mvcc/VersionSetWithDelta.h into Storages/Page/V2/VersionSet/PageEntriesVersionSetWithDelta.h
https://github.com/pingcap/tics/blob/1a319c21b2df5eba7568ace6c26f73f18dfba87f/dbms/src/Storages/Page/mvcc/VersionSetWithDelta.h#L125-L137

[jiaqizho]

I've made some changes and add gtest_page_entry_map.cpp back.

And I think we can also merge Storages/Page/mvcc/VersionSetWithDelta.h into Storages/Page/V2/VersionSet/PageEntriesVersionSetWithDelta.h

https://github.com/pingcap/tics/blob/1a319c21b2df5eba7568ace6c26f73f18dfba87f/dbms/src/Storages/Page/mvcc/VersionSetWithDelta.h#L125-L137

done. moved VersionSetWithDelta.h.

[jiaqizho]

/run-all-tests

[JaySon-Huang]

LGTM

[jiaqizho]

/merge

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

Commit hash: cb2841d