Rename deprecated function

The patch deletes deprecated cmd.run function which actually
was defined in salt 2016 as alias for cmd.shell therefore this
change supports backward compatibility.

Change-Id: Idbbf869dfafb39d3bf90cdcb05e626cd563ce8e2
Related-Prod: 17056

galera/master.sls

@@ -132,7 +132,7 @@ galera_bootstrap_script:
       service: {{ master|yaml }}
   - template: jinja
 
-{%- if salt['cmd.run']('test -e /var/lib/mysql/.galera_bootstrap; echo $?') != '0'  %}
+{%- if salt['cmd.shell']('test -e /var/lib/mysql/.galera_bootstrap; echo $?') != '0'  %}
 
 # Enforce config before package installation
 galera_pre_config:

galera/slave.sls

@@ -130,7 +130,7 @@ galera_bootstrap_script:
   - source: salt://galera/files/bootstrap.sh
   - template: jinja
 
-{%- if salt['cmd.run']('test -e /var/lib/mysql/.galera_bootstrap; echo $?') != '0'  %}
+{%- if salt['cmd.shell']('test -e /var/lib/mysql/.galera_bootstrap; echo $?') != '0'  %}
 
 # Enforce config before package installation
 galera_pre_config: