refactor(cli): drop comments restating adjacent dns/subdomain code

[TBX3D]

two comments in scanTarget restate the line they sit above: dnsResults = result // Store the DNS results, and a // Only run subdomain takeover check if DNS scan is enabled above the if app.settings.SubdomainTakeover it describes. drop both.

this PR previously carried the scanTarget/targetScan extraction as well. that landed on main in #367 with the same signature and the same sif_scantarget_test.go, so only the comment trim is left here.

[github-actions]

pr summary

1 files changed (+1 -2)

category	files
go source	1

[codecov-commenter]

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Files with missing lines	Patch %	Lines
sif.go	0.00%	1 Missing ⚠️
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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #330   +/-   ##
=======================================
  Coverage        ?   64.87%           
=======================================
  Files           ?       88           
  Lines           ?     7858           
  Branches        ?        0           
=======================================
  Hits            ?     5098           
  Misses          ?     2367           
  Partials        ?      393           

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[vmfunc]

clean extraction. the only spot that isn't mechanical is the apimode marshal-failure path, and you got it right: return targetScan{scansRun: scansRun, logFiles: logFiles}, nil keeps the scan labels and log files but drops findings/report, same as the old continue. logFiles moving to a local and merging back in Run still lands in app.logFiles before PrintSummary, so the summary is unchanged, and nothing reads app.logFiles mid-scan so the timing shift is invisible.

TestScanTargetIsolatesPerTargetState is the right test for the seam. two sequential targets each reporting a single scan is exactly what a shared slice would break.

conflicts with main though, rebase and it's in.

[TBX3D]

rebased, and there is almost nothing left. #367 landed scanTarget/targetScan with the same signature and the same sif_scantarget_test.go, so the extraction this PR proposed is upstream already. only the two-line comment trim survives; retitled and rewrote the description to match.

that means your approval no longer covers what is here, so please re-read before merging, or close it if a two-comment cleanup is not worth the churn. either is fine by me.