Remove checksum/packs for a couple services

Why remove?
 - st2actionrunner forks fire-and-forget processes (actions) which read pack config
   from the DB on startup.
 - st2api does not care about pack configs.

Author: warrenvw

templates/deployments.yaml

@@ -140,7 +140,6 @@ spec:
         heritage: {{ .Release.Service }}
       annotations:
         checksum/config: {{ include (print $.Template.BasePath "/configmaps_st2-conf.yaml") . | sha256sum }}
-        checksum/packs: {{ include (print $.Template.BasePath "/configmaps_packs.yaml") . | sha256sum }}
     spec:
       {{- if .Values.enterprise.enabled }}
       imagePullSecrets:
@@ -942,7 +941,6 @@ spec:
       annotations:
         checksum/config: {{ include (print $.Template.BasePath "/configmaps_st2-conf.yaml") . | sha256sum }}
         checksum/ssh: {{ include (print $.Template.BasePath "/secrets_ssh.yaml") . | sha256sum }}
-        checksum/packs: {{ include (print $.Template.BasePath "/configmaps_packs.yaml") . | sha256sum }}
     spec:
       {{- if .Values.enterprise.enabled }}
       imagePullSecrets: