Remove configuration hosted by the Config Server

spring-petclinic-customers-service/src/main/resources/application.properties

-server.port=0
-logging.level.org.springframework=INFO

spring-petclinic-vets-service/src/main/resources/application.properties

-server.port=0
 spring.profiles.active=production
 spring.cache.cache-names=vets

spring-petclinic-visits-service/src/main/resources/application.properties

-server.port=0