Update build.gradle
Update build.gradle

Remove unused commons-collection
ianynchen/Hystrix,mattrjacobs/Hystrix,justinjose28/Hystrix,mickdwyer/Hystrix,justinjose28/Hystrix,eunmin/Hystrix,mattrjacobs/Hystrix,eunmin/Hystrix,eunmin/Hystrix,justinjose28/Hystrix,mickdwyer/Hystrix,mattrjacobs/Hystrix,mickdwyer/Hystrix,Netflix/Hystrix