delete unused functions

[rambohe-ch]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind bug
/kind documentation
/kind enhancement
/kind good-first-issue
/kind feature
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage

/kind enhancement

What this PR does / why we need it:

delete unused functions.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

other Note

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In response to this:

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind bug
/kind documentation
/kind enhancement
/kind good-first-issue
/kind feature
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage

/kind enhancement

What this PR does / why we need it:

delete unused functions.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

other Note

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[openyurt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: rambohe-ch

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
2.0% Duplication

[codecov]

Codecov Report

Merging #1555 (4fa4de4) into master (16d251d) will increase coverage by 0.08%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1555      +/-   ##
==========================================
+ Coverage   50.59%   50.67%   +0.08%     
==========================================
  Files         133      133              
  Lines       15783    15762      -21     
==========================================
+ Hits         7986     7988       +2     
+ Misses       7055     7033      -22     
+ Partials      742      741       -1     

Flag	Coverage Δ
unittests	50.67% <ø> (+0.08%)	⬆️

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

Impacted Files	Coverage Δ
pkg/controller/servicetopology/adapter/adapter.go	76.47% <ø> (+42.26%)	⬆️

... and 1 file with indirect coverage changes

[YTGhost]

/lgtm