re-enable ansible parameterization for build-ami

playbooks/roles/jenkins_admin/templates/edx/var/jenkins/jobs/build-ami/config.xml.j2

@@ -171,7 +171,7 @@ cat /var/tmp/$BUILD_ID-refs.yml
 echo "\$vars" > /var/tmp/$BUILD_ID-extra-vars.yml
 cat /var/tmp/$BUILD_ID-extra-vars.yml
 
-python -u abbey.py -p \$play -t c1.medium  -d \$deployment -e \$environment -i /edx/var/jenkins/.ssh/id_rsa -b \$base_ami --vars /var/tmp/\$BUILD_ID-extra-vars.yml --refs /var/tmp/\$BUILD_ID-refs.yml -c \$BUILD_NUMBER --configuration-version \$configuration --configuration-secure-version \$configuration_secure -k deployment --configuration-secure-repo "git@github.com:edx-ops/prod-secure.git"
+python -u abbey.py -p \$play -t c1.medium  -d \$deployment -e \$environment -i /edx/var/jenkins/.ssh/id_rsa -b \$base_ami --vars /var/tmp/\$BUILD_ID-extra-vars.yml --refs /var/tmp/\$BUILD_ID-refs.yml -c \$BUILD_NUMBER --configuration-version \$configuration --configuration-secure-version \$configuration_secure -k {{JENKINS_ADMIN_EC2_KEY}} --configuration-secure-repo "{{JENKINS_ADMIN_CONFIGURATION_SECURE_REPO}}"
       </command>
       <ignoreExitCode>false</ignoreExitCode>
     </jenkins.plugins.shiningpanda.builders.VirtualenvBuilder>