[processor/resourcedetection] Make detect no-op for non-EKS environments

[jefchien]

Description: Instead of erroring out in the constructor, log the error as a debug log and make the Detect function a no-op. Similar to ecs detector

opentelemetry-collector-contrib/processor/resourcedetectionprocessor/internal/aws/ecs/ecs.go

Lines 52 to 55 in 76facad

	// don't attempt to fetch metadata if there's no provider (incompatible env)
	if d.provider == nil {
	return pcommon.NewResource(), "", nil
	}

Link to tracking Issue: N/A

Testing: Updated unit tests.