[#noissue] remove unused code

[donghun-cho]

No description provided.

[codecov]

Codecov Report

Merging #10135 (0b860c2) into master (e7b0216) will decrease coverage by 0.05%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master   #10135      +/-   ##
============================================
- Coverage     38.41%   38.36%   -0.05%     
+ Complexity    11663    11634      -29     
============================================
  Files          3615     3609       -6     
  Lines         93993    93819     -174     
  Branches      10359    10353       -6     
============================================
- Hits          36106    35996     -110     
+ Misses        54801    54738      -63     
+ Partials       3086     3085       -1     

Impacted Files	Coverage Δ
.../pinpoint/web/controller/ApdexScoreController.java	0.00% <ø> (ø)
...rp/pinpoint/web/service/ApdexScoreServiceImpl.java	0.00% <ø> (ø)
.../web/vo/stat/chart/agent/AgentApdexScoreChart.java	0.00% <ø> (ø)
.../chart/application/ApplicationApdexScoreChart.java	0.00% <ø> (ø)

... and 7 files with indirect coverage changes