remove unnecessary exception checks from bootimage.cpp
remove unnecessary exception checks from bootimage.cpp

MaartenR/avian,lostdj/avian,getlantern/avian,joshuawarner32/avian,badlogic/avian,minor-jason/avian,bigfatbrowncat/avian-pack.avian,marcinolawski/avian,ucdseniordesign/avian,joshuawarner32/avian,bigfatbrowncat/avian-pack.avian,marcinolawski/avian,ucdseniordesign/avian,dicej/avian,dicej/avian,lwahlmeier/avian,minor-jason/avian,getlantern/avian,marcinolawski/avian,bgould/avian,lwahlmeier/avian,marcinolawski/avian,minor-jason/avian,ucdseniordesign/avian,getlantern/avian,ucdseniordesign/avian,lostdj/avian,bigfatbrowncat/avian-pack.avian,bgould/avian,bgould/avian,bgould/avian,bigfatbrowncat/avian-pack.avian,MaartenR/avian,joshuawarner32/avian,dicej/avian,badlogic/avian,minor-jason/avian,lostdj/avian,badlogic/avian,badlogic/avian,lwahlmeier/avian,MaartenR/avian,getlantern/avian,lwahlmeier/avian,joshuawarner32/avian,MaartenR/avian,lostdj/avian,dicej/avian