V1.2: Change fields in RetrieveNotificationsListResponse
Remove notificationAndEprList and restructure definitions in
RetrieveNotificationsListResponse.
This requires name changes in IPA process. The notificationAndEprList
case is removed.
Reference: SGP.32 Section 5.9.11
Related: SYS#8101
Change-Id: I757586e92c5eb1ca54ddf8ab6f71eb418de20f6e