removes typo introduced after removing scheme

JSON hates commas on final list elements

Author: wilybrace

ansible/roles/pgo-operator/templates/deployment.json.j2

@@ -196,7 +196,7 @@
                         "livenessProbe": {
                             "httpGet": {
                                 "path": "/ping",
-                                "port": 4151,
+                                "port": 4151
                             },
                             "initialDelaySeconds": 15,
                             "periodSeconds": 5