use lookaside storage for remote tests

in an effort to speed up the remote testing, we should be using
lookaside storage to avoid pull images as well as importing multiple
images into the RW store.

one test was removed and added into system test by Ed in #8325

Signed-off-by: baude <bbaude@redhat.com>

test/e2e/exists_test.go

@@ -23,7 +23,6 @@ var _ = Describe("Podman image|container exists", func() {
 		}
 		podmanTest = PodmanTestCreate(tempdir)
 		podmanTest.Setup()
-		podmanTest.RestoreAllArtifacts()
 	})
 
 	AfterEach(func() {