Revert "Guard null pointer exceptions."
Revert "Guard null pointer exceptions."

This reverts commit fc56e29a3ec22035c744e276538e8a20e5923996.

Conflicts:
	server/src/com/cloud/api/ApiResponseHelper.java

Signed-off-by: Min Chen <6bc118dd9e7a318f3fd872ac9a08c02934cf3489@citrix.com>

mufaddalq/cloudstack-datera-driver,jcshen007/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,resmo/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,jcshen007/cloudstack,resmo/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,resmo/cloudstack,DaanHoogland/cloudstack,mufaddalq/cloudstack-datera-driver,resmo/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,jcshen007/cloudstack,wido/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,mufaddalq/cloudstack-datera-driver,jcshen007/cloudstack,resmo/cloudstack,mufaddalq/cloudstack-datera-driver,jcshen007/cloudstack,mufaddalq/cloudstack-datera-driver,wido/cloudstack,GabrielBrascher/cloudstack,resmo/cloudstack,resmo/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,mufaddalq/cloudstack-datera-driver,DaanHoogland/cloudstack,DaanHoogland/cloudstack