Remove the comment-out code

[M-Yamashita01]

We removed the comment-out code, which relates to #831.

[codecov]

Codecov Report

Merging #1691 (98945b0) into master (4989f44) will increase coverage by 1.07%.
The diff coverage is 66.12%.

@@            Coverage Diff             @@
##           master    #1691      +/-   ##
==========================================
+ Coverage   61.22%   62.30%   +1.07%     
==========================================
  Files          46       48       +2     
  Lines        7141     7579     +438     
==========================================
+ Hits         4372     4722     +350     
- Misses       2462     2527      +65     
- Partials      307      330      +23     

Impacted Files	Coverage Δ
pkg/common/outbound_ip.go	0.00% <0.00%> (ø)
pkg/container/docker_cli.go	82.23% <ø> (ø)
pkg/container/docker_logger.go	52.08% <ø> (ø)
pkg/container/docker_pull.go	33.33% <ø> (ø)
pkg/container/docker_run.go	13.99% <0.00%> (+0.40%)	⬆️
pkg/container/docker_volume.go	0.00% <ø> (ø)
pkg/container/file_collector.go	37.30% <0.00%> (ø)
pkg/container/host_environment.go	0.00% <0.00%> (ø)
...ontainer/linux_container_environment_extensions.go	23.07% <0.00%> (-1.25%)	⬇️
pkg/exprparser/functions.go	66.32% <0.00%> (-1.04%)	⬇️
... and 22 more

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[mergify]

@M-Yamashita01 this pull request has failed checks 🛠