[Bug-fix] Remove redundant free on exception object.

__cxa_decrement_exception_refcount should not call exceptionDestructor()
directly, since __cxa_free_exception will do that.

Change-Id: I6ccfd66d21e08abbba15c704edef980a0cb769fc
Signed-off-by: WenHan Gu <Wenhan.gu@mediatek.com>
1 file changed