WidgetHandle removal - part 3.
[Issue#] N/A
[Feature] Removes widget handle usages: debug, widget info at installtion success etc.
[Cause] N/A
[Solution] N/A
[Verification] Install, reinstall, uninstall any widget.
[SCMRequest] Depends on wrt-commons chanegs:
http://slp-info.sec.samsung.net/gerrit/#/c/105113/
Changes from commons differs only with widget construction from pkgname which is tested in previous commits, so no advanced method of verification is needed.
Change-Id: Ib920c3af09672a8a3dde62a357618083e5a6aa08