This reverts commit 180afe52e5.
This broke the build on master:
master build broken with the below error http://jenkins.buildacloud.org/job/build-master-slowbuild/2101/consoleText
```
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /home/jenkins/acs/workspace/build-master-slowbuild/plugins/hypervisors/xenserver/test/com/cloud/hypervisor/xenserver/resource/wrapper/xenbase/CitrixRequestWrapperTest.java:[1581,51] error: constructor CreateVMSnapshotCommand in class CreateVMSnapshotCommand cannot be applied to given types;
[ERROR] required: String,String,VMSnapshotTO,List<VolumeObjectTO>,String
found: String,VMSnapshotTO,List<VolumeObjectTO>,String
reason: actual and formal argument lists differ in length
/home/jenkins/acs/workspace/build-master-slowbuild/plugins/hypervisors/xenserver/test/com/cloud/hypervisor/xenserver/resource/wrapper/xenbase/CitrixRequestWrapperTest.java:[1623,53] error: no suitable constructor found for RevertToVMSnapshotCommand(String,VMSnapshotTO,List<VolumeObjectTO>,String)
[INFO] 2 errors
[INFO] -------------------------------------------------------------
```
This was PR #717 towards 4.5
044e685c92