Interpolator : Remove overzealous asserts #1764

Job	Run time
build (windows-debug-platform25)	22m 47s
build (linux-debug-platform25)	19m 26s
build (windows-platform25)	27m 1s
build (linux-platform25)	19m 0s
build (linux-platform24)	18m 49s
build (macos-arm64-platform25)	10m 45s
	1h 57m 48s

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