Examine all SkipIfRemote functions

Remove ones that are not needed.
Document those that should be there.
Document those that should be fixed.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

test/e2e/namespace_test.go

@@ -33,7 +33,7 @@ var _ = Describe("Podman namespaces", func() {
 	})
 
 	It("podman namespace test", func() {
-		SkipIfRemote()
+		SkipIfRemote() // FIXME This should work on Remote
 		podman1 := podmanTest.Podman([]string{"--namespace", "test1", "run", "-d", ALPINE, "echo", "hello"})
 		podman1.WaitWithDefaultTimeout()
 		Expect(podman1.ExitCode()).To(Equal(0))