fix mongodb download url formatting in .mci.yml

Author: ajdavis

.mci.yml

@@ -265,7 +265,7 @@ functions:
     params:
       updates:
         - key: "mongo_url"
-          value: ${mongo_url_prefix}${mongo_url_enterprise_keyword|"enterprise-"}${mongo_url_platform|}latest.${mongo_url_extension|tgz}
+          value: ${mongo_url_prefix}${mongo_url_enterprise_keyword|enterprise-}${mongo_url_platform|}latest.${mongo_url_extension|tgz}
 
   "use WiredTiger storage" :
     command: expansions.update