[LIB-143] Uncomment data in disp3d example
[LIB-143] Uncomment data in disp3d example

mne-tools/mne-cpp,mne-tools/mne-cpp,LorenzE/mne-cpp,chdinh/mne-cpp,mne-tools/mne-cpp,LorenzE/mne-cpp,LostSign/mne-cpp,mne-tools/mne-cpp,LostSign/mne-cpp,mne-tools/mne-cpp,chdinh/mne-cpp,ViktorKL/mne-cpp,ViktorKL/mne-cpp,mne-tools/mne-cpp,LorenzE/mne-cpp,chdinh/mne-cpp,chdinh/mne-cpp,LorenzE/mne-cpp,chdinh/mne-cpp,chdinh/mne-cpp