UnicornEngine: remove no-op code in _hook_mem_unmapped_core().
UnicornEngine: remove no-op code in _hook_mem_unmapped_core().

f-prettyland/angr,axt/angr,chubbymaggie/simuvex,chubbymaggie/angr,schieb/angr,axt/angr,iamahuman/angr,angr/angr,angr/angr,tyb0807/angr,tyb0807/angr,chubbymaggie/angr,tyb0807/angr,angr/simuvex,iamahuman/angr,chubbymaggie/simuvex,axt/angr,schieb/angr,iamahuman/angr,chubbymaggie/simuvex,f-prettyland/angr,angr/angr,chubbymaggie/angr,schieb/angr,f-prettyland/angr