Make OCI spec opts available on all platforms

Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>

oci/spec_opts_unix.go

@@ -50,13 +50,6 @@ func WithDevices(devicePath, containerPath, permissions string) SpecOpts {
 	}
 }
 
-// WithCPUCFS sets the container's Completely fair scheduling (CFS) quota and period
-func WithCPUCFS(quota int64, period uint64) SpecOpts {
-	return func(ctx context.Context, _ Client, c *containers.Container, s *Spec) error {
-		return nil
-	}
-}
-
 func escapeAndCombineArgs(args []string) string {
 	panic("not supported")
 }