Revert "Make cacerts setting read-only"
Revert "Make cacerts setting read-only"

This reverts commit 2d7d366d97d6ad8466a3ef567843bcccf1708e16.

rancher/rancher,cjellick/rancher,rancher/rancher,rancherio/rancher,cjellick/rancher,rancher/rancher,rancher/rancher,cjellick/rancher,rancherio/rancher