Deleting 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: Icca22f0fdc0c193c8807695e7fb03ab00daccc28
Related-PROD: 17056
diff --git a/glance/meta/sphinx.yml b/glance/meta/sphinx.yml
index 9364f79..13450cd 100644
--- a/glance/meta/sphinx.yml
+++ b/glance/meta/sphinx.yml
@@ -42,6 +42,6 @@
           value: |
             {%- for pkg in server.pkgs %}
             {%- set pkg_version = "dpkg -l "+pkg+" | grep "+pkg+" | awk '{print $3}'" %}
-            * {{ pkg }}: {{ salt['cmd.run'](pkg_version) }}
+            * {{ pkg }}: {{ salt['cmd.shell'](pkg_version) }}
             {%- endfor %}
   {%- endif %}