owner: deprecate the removed changefeed state (#1990)

[ti-chi-bot]

This is an automated cherry-pick of #1990

What problem does this PR solve?

before this pr, the changefeed state is very complex, now we have simplified the state representation, remove the Removed state.

the changefeed state transfer:

① execute changefeed pause
② execute changefeed resume
③ changefeed throw a recoverable errors
④ execute changefeed resume
⑤ changefeed throw a unrecoverable errors
⑥ The sync task has reached the preset TargetTs and the sync is automatically stopped

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test

Release note

• No release note

[ti-chi-bot]

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[ti-chi-bot]

@ti-chi-bot: This cherry pick PR is for a release branch and has not yet been approved by release team.
Adding the do-not-merge/cherry-pick-not-approved label.

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[zier-one]

merged by #2123