Remove extra button rules
Since ab05d05bb811 there is no need to have access defined on button if they are the same as the write access on the model. This is done since a long time on new module but older modules have never been cleaned.
Since ab05d05bb811 there is no need to have access defined on button if they are the same as the write access on the model. This is done since a long time on new module but older modules have never been cleaned.