Update release-process

doc/process/release-process

@@ -10,14 +10,6 @@ This document outlines the development process for the Mattermost core team, whi
 
 This is a working document that will update as our process evolves.
 
-### Principles
-
-Our development process centers about three principles:
-
-1. Make something people love – Talk to users constantly. Shape and adapt plans based on feedback and data.
-2. Big rocks first – Queue large, important, potentially destabilizing features early in a release cycle. Leave plenty of time for stabilization and testing.
-3. Slow is smooth, smooth is fast – Thinking carefully and building predictably at high quality are more important than jamming in any one feature.
-When we’re not sure on a decision, these principles are our tie-breakers.
 
 ### - Beginning of release
 - (Ops) Queue an agenda item for first team meeting of the release to review Roadmap