Nit: Fix duplicate imports

[tbavelier]

What does this PR do?

• Removes duplicate imports revealed by IDE static analysis

Motivation

Additional Notes

Minimum Agent Versions

Are there minimum versions of the Datadog Agent and/or Cluster Agent required?

• Agent: vX.Y.Z
• Cluster Agent: vX.Y.Z

Describe your test plan

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Checklist

• PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• PR has a milestone or the qa/skip-qa label

[codecov-commenter]

Codecov Report

Merging #947 (d1d2044) into main (484a573) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #947   +/-   ##
=======================================
  Coverage   56.86%   56.86%           
=======================================
  Files         155      155           
  Lines       19296    19296           
=======================================
  Hits        10972    10972           
  Misses       7675     7675           
  Partials      649      649           

Flag	Coverage Δ
unittests	56.86% <ø> (ø)

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