Remove leftover reference to history (#650)
Remove leftover reference to history (#650)


jettisonjoe/openhtf,ShaperTools/openhtf,jettisonjoe/openhtf,google/openhtf,ShaperTools/openhtf,ShaperTools/openhtf,google/openhtf,google/openhtf,jettisonjoe/openhtf,ShaperTools/openhtf,ShaperTools/openhtf,google/openhtf,jettisonjoe/openhtf