Removes okhttp3 again after added back in older branch.
Removes okhttp3 again after added back in older branch.

spring-cloud/spring-cloud-netflix,ryanjbaxter/spring-cloud-netflix,ryanjbaxter/spring-cloud-netflix,ryanjbaxter/spring-cloud-netflix,ryanjbaxter/spring-cloud-netflix,ryanjbaxter/spring-cloud-netflix,spring-cloud/spring-cloud-netflix