Documentation: Release notes of 4.14 (https://docs.openshift.com/container-platform/4.14/release_notes/ocp-4-14-release-notes.html#ocp-4-14-egress-ips-additional-networks)

This fragment of the release notes suggests that multi-NIC egress IPs are technology preview, however, previous commits suggest that it was first released as GA and then all references to a supposed TP status were removed.

We need to remove references of this feature being technology preview.