BUG: Remove incorrect SyncRecord assert.
BUG: Remove incorrect SyncRecord assert.

This is reporting 3 * 960 * 768 + 4096.  Remove hard-coded value.

KitwareMedical/ITKTubeTK,KitwareMedical/ITKTubeTK,cdeepakroy/TubeTK,sumedhasingla/TubeTK,KitwareMedical/TubeTK,matthieuheitz/TubeTK,matthieuheitz/TubeTK,thewtex/TubeTK,LucasGandel/TubeTK,thewtex/TubeTK,aylward/ITKTubeTK,cdeepakroy/TubeTK,KitwareMedical/TubeTK,LucasGandel/TubeTK,thewtex/TubeTK,aylward/ITKTubeTK,sumedhasingla/TubeTK,thewtex/TubeTK,KitwareMedical/ITKTubeTK,cdeepakroy/TubeTK,sumedhasingla/TubeTK,matthieuheitz/TubeTK,matthieuheitz/TubeTK,aylward/ITKTubeTK,KitwareMedical/TubeTK,LucasGandel/TubeTK,aylward/ITKTubeTK,KitwareMedical/TubeTK,sumedhasingla/TubeTK,KitwareMedical/ITKTubeTK,LucasGandel/TubeTK,cdeepakroy/TubeTK