TT#62000 Fix shellcheck error

In deployment.sh line 2109:
  local puppet_gpg='/root/puppet.gpg'
  ^-- SC2168: 'local' is only valid in functions.

Change-Id: I628cbac844db6aa1913ab1747906656d7d6d739b

templates/scripts/includes/deployment.sh

@@ -2106,7 +2106,7 @@ puppet_install_from_puppet () {
 deb ${DEBIAN_URL}/puppetlabs/ ${DEBIAN_RELEASE} main puppet5 dependencies
 EOF
 
-  local puppet_gpg='/root/puppet.gpg'
+  puppet_gpg='/root/puppet.gpg'
   if [[ ! -f "${puppet_gpg}" ]]; then
     die "Can't find ${puppet_gpg} file"
   fi