Revert "cid#706552 Uncaught exception"

This reverts commit ecd00991fd5884cd769ed00c9c3f42ba44d64511, now that
fced31697bcc2a2a4da34d804582002de0320302 "comphelper::SequenceAsHashMap: throw
IllegalArgumentException" made the underlying problem go away.

Conflicts:
	framework/source/inc/loadenv/loadenv.hxx
	framework/source/loadenv/loadenv.cxx

Change-Id: I7821ae67b5cc99b8591fbf06396ac20098e55c8d