Disable Istio test for time being to try and save some CI time

Author: geoand

spring-cloud-kubernetes-integration-tests/pom.xml

@@ -131,7 +131,7 @@
 	<modules>
 		<module>simple-core</module>
 		<module>simple-configmap</module>
-		<module>istio</module>
+<!--		<module>istio</module>-->
 		<module>discovery</module>
 	</modules>