[to 48] Remove codes

[zeminzhou]

What problem does this PR solve?

Remove unused codes

Issue Number: close #48

Problem Description: TBD

What is changed and how does it work?

Remove unused codes

Code changes

• No code

Check List for Tests

This PR has been tested by at least one of the following methods:

• Unit test

Side effects

• Possible performance regression, WHY: TBD
• Increased code complexity, WHY: TBD
• Breaking backward compatibility, WHY: TBD
• No side effects

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation
• Need to be included in the release note
• No related changes

[codecov]

Codecov Report

Merging #115 (927c00a) into main (48a3c74) will increase coverage by 3.2803%.
The diff coverage is n/a.

❗ Current head 927c00a differs from pull request most recent head 191a9a9. Consider uploading reports for the commit 191a9a9 to get more accurate results

@@               Coverage Diff                @@
##               main       #115        +/-   ##
================================================
+ Coverage   53.4580%   56.7383%   +3.2803%     
================================================
  Files           197        180        -17     
  Lines         19838      14232      -5606     
================================================
- Hits          10605       8075      -2530     
+ Misses         8265       5596      -2669     
+ Partials        968        561       -407     

Flag	Coverage Δ
cdc	56.7383% <ø> (+3.2803%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cdc/cdc/model/mounter.go	100.0000% <ø> (ø)
cdc/cdc/processor/pipeline/sink.go	62.9629% <ø> (ø)
cdc/cdc/sink/black_hole.go	81.4814% <ø> (+8.1481%)	⬆️
cdc/cdc/sink/sink.go	64.2857% <ø> (ø)
cdc/cdc/sink/tikv.go	27.0270% <ø> (+0.5719%)	⬆️
cdc/pkg/retry/retry_with_opt.go	90.9090% <0.0000%> (-4.5455%)	⬇️
cdc/cdc/processor/processor.go	61.5384% <0.0000%> (-0.5918%)	⬇️
cdc/pkg/p2p/client.go	84.6774% <0.0000%> (ø)
cdc/pkg/p2p/server.go	84.9099% <0.0000%> (ø)
cdc/pkg/orchestrator/etcd_worker.go	81.0924% <0.0000%> (+0.8403%)	⬆️
... and 2 more

[pingyu]

Rest LGTM~

[pingyu]

Would be useful for test of puller ?

[zeminzhou]

From codes, the mock_puller.go is only used for "cdc/sink/codec/avro_test.go".

[pingyu]

OK.