fix: remove trace goroutine for dagstore wrapper

[simlecode]

关联的Issues (Related Issues)

close #418

改动 (Proposed Changes)

附注 (Additional Info)

自查清单 (Checklist)

在你认为本 PR 满足被审阅的标准之前，需要确保 / Before you mark the PR ready for review, please make sure that:

• 符合Venus项目管理规范中关于PR的相关标准 / The PR follows the PR standards set out in the Venus project management guidelines
• 具有清晰明确的commit message / All commits have a clear commit message.
• 包含相关的的测试用例或者不需要新增测试用例 / This PR has tests for new functionality or change in behaviour or not need to add new tests.
• 包含相关的的指南以及文档或者不需要新增文档 / This PR has updated usage guidelines and documentation or not need
• 通过必要的检查项 / All checks are green

[codecov-commenter]

Codecov Report

Merging #419 (1b8b0b6) into master (364479f) will decrease coverage by 0.05%.
The diff coverage is n/a.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #419      +/-   ##
==========================================
- Coverage   20.58%   20.53%   -0.05%     
==========================================
  Files         193      193              
  Lines       23642    23621      -21     
==========================================
- Hits         4866     4851      -15     
+ Misses      17987    17981       -6     
  Partials      789      789              

Flag	Coverage Δ
unittests	20.53% <ø> (-0.05%)	⬇️

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

Files Changed	Coverage Δ
dagstore/wrapper.go	39.76% <ø> (-2.14%)	⬇️

... and 1 file with indirect coverage changes

[LinZexiao]

LGTM