(No-op) QF1008: remove embedded field from selector

[tbavelier]

What does this PR do?

• Remove embedded field from selector to fix QF1008 violations https://staticcheck.dev/docs/checks#QF1008

Motivation

• Same as (No-op) Remove duplicate imports #2420 : Reduce number of staticcheck linter (disabled for now) violations

Additional Notes

Anything else we should know when reviewing?

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

Write there any instructions and details you may have to test your PR.

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

❌ Patch coverage is 30.76923% with 27 lines in your changes missing coverage. Please review.
✅ Project coverage is 37.32%. Comparing base (490d736) to head (afdebbc).

Files with missing lines	Patch %	Lines
cmd/yaml-mapper/mapper/mapper.go	33.33%	7 Missing and 1 partial ⚠️
pkg/condition/condition.go	0.00%	5 Missing ⚠️
...l-datadog/autoscaling/cluster/install/helm/helm.go	0.00%	4 Missing ⚠️
cmd/kubectl-datadog/clusteragent/leader/leader.go	0.00%	3 Missing ⚠️
...dogagentinternal/controller_reconcile_v2_common.go	0.00%	3 Missing ⚠️
...ler/datadogagent/controller_reconcile_v2_common.go	75.00%	1 Missing ⚠️
.../controller/datadogagent/feature/test/testsuite.go	0.00%	1 Missing ⚠️
pkg/testutils/builder.go	0.00%	1 Missing ⚠️
pkg/testutils/ddai_builder.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@ Coverage Diff @@ ## main #2421 +/- ## ======================================= Coverage 37.32% 37.32% ======================================= Files 290 290 Lines 24720 24720 ======================================= Hits 9226 9226 Misses 14781 14781 Partials 713 713 

Flag	Coverage Δ
unittests	37.32% <30.76%> (ø)

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

Files with missing lines	Coverage Δ
...nal/controller/datadogagent/feature/apm/feature.go	68.85% <100.00%> (ø)
...ntroller/datadogagent/feature/dogstatsd/feature.go	68.87% <100.00%> (ø)
internal/controller/datadogagent/store/store.go	65.61% <100.00%> (ø)
pkg/agentprofile/agent_profile.go	74.36% <100.00%> (ø)
...ler/datadogagent/controller_reconcile_v2_common.go	30.80% <75.00%> (ø)
.../controller/datadogagent/feature/test/testsuite.go	0.00% <0.00%> (ø)
pkg/testutils/builder.go	0.00% <0.00%> (ø)
pkg/testutils/ddai_builder.go	0.00% <0.00%> (ø)
cmd/kubectl-datadog/clusteragent/leader/leader.go	0.00% <0.00%> (ø)
...dogagentinternal/controller_reconcile_v2_common.go	5.39% <0.00%> (ø)
... and 3 more

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