README: remove pushing to a registry comment
Determined in code review that it wasn't necessary any longer.
@@ -57,12 +57,6 @@ from the `coreos-assembler` repository. If building the RHEL version please
note you will need a maipo directory with references to
proper repositories.
-You can optionally upload your built image to a registry such as quay.io by
-doing the following:
-
-```
-$ sudo podman push <image id> example.com/<account name>/coreos-assembler
-```
### Setup
---
