Revert "Basic support for overlay PR analysis" #3997

Job	Run time
Resolve environment (ubuntu-latest, nightly-latest)	37s
Resolve environment (windows-latest, default)	2m 48s
Resolve environment (windows-latest, linked)	2m 26s
Resolve environment (ubuntu-latest, default)	30s
Resolve environment (macos-latest, linked)	1m 57s
Resolve environment (macos-latest, default)	2m 9s
Resolve environment (windows-latest, nightly-latest)	2m 18s
Resolve environment (macos-latest, nightly-latest)	1m 55s
Resolve environment (ubuntu-latest, linked)	30s
	15m 10s

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