docs: remove release engineering strategy from quickstart kickoff (#758)

Author: Benbentwo

docs/quickstart/kickoff.mdx

@@ -133,7 +133,6 @@ The following is the agenda for our Kick off call with you. We'll schedule this
       - [ ] [Decide on CIDR Allocation Strategy](/layers/network/design-decisions/decide-on-cidr-allocation)
       - [ ] [Decide on Service Discovery Domain](/layers/network/design-decisions/decide-on-service-discovery-domain)
       - [ ] [Decide on Vanity Domain](/layers/network/design-decisions/decide-on-vanity-branded-domain)
-      - [ ] [Decide on Release Engineering Strategy](/layers/software-delivery/design-decisions/decide-on-release-engineering-strategy)
 
       <Admonition>
         These are the design decisions you can customize as part of the Quickstart package. All other decisions are pre-made for you, but you’re welcome to review them. If you’d like to make additional changes, [let us know—we’re happy to provide a quote](https://cloudposse.com/meet).