Remove the deadcode

[draftcode]

No description provided.

[aviator-app]

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Stack

1. 👉 Remove the deadcode #283 👈 (this pr)
2. Do not write messages from UpdatePullRequestState #284
3. Update libraries #287
4. Add new sequencer object #288
5. Make a generic state file read/write mechanism #289

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[aviator-app]

FlexReview Summary

Based on the code complexity and the author's expertise score, these are the suggested reviewers:

• @doratzeng (current review load: 0)

See the list of alternate reviewers in the detailed breakdown below.

Detailed Breakdown

Author’s expertise score for the modified files:

• internal/actions/reorder.go (1.00)
• internal/gh/client.go (1.00)
• internal/gh/pullrequest.go (0.17)
• internal/git/err.go (1.00)
• internal/meta/refmeta/branch.go (1.00)
• internal/meta/refmeta/branchstate.go (1.00)
• internal/utils/sliceutils/sliceutils.go (1.00)

Files	Reviewers
internal/git/err.go †	@doratzeng (score: 0.00, current review load: 0), @jainankit (score: 0.00, current review load: 3)

† Indicates that the file doesn't need an expert review. (?)

See full breakdown of the reviewers on the Aviator webapp.