Revert "chore: add minimum Kubernetes version requirement (#133)" (#136)

This reverts commit 9eb3f9c.

Author: deansheather

Chart.yaml

@@ -6,13 +6,6 @@ name: coder
 description: Coder moves developer workspaces to your cloud and centralizes their creation and management.
 appVersion: master
 version: 1.19.0
-# Coder follows the Kubernetes upstream version support policy, and the
-# latest stable release version of Coder supports the previous two minor
-# releases as well as the current release of Kubernetes at time of
-# publication.
-#
-# See: https://coder.com/docs/coder/latest/setup/kubernetes#supported-kubernetes-versions
-kubeVersion: ">= 1.19.0"
 home: https://coder.com
 keywords:
   - coder