node_info: remove on_save/delete proxy functions
node_info: remove on_save/delete proxy functions

shlomif/rhizi,Rhizi/rhizi,tlevine/rhizi,cben/rhizi,ozFri/rhizi,tlevine/rhizi,shlomif/rhizi,shlomif/rhizi,yuvadm/rhizi,cben/rhizi,ozFri/rhizi,yuvadm/rhizi,ozFri/rhizi,cben/rhizi,Rhizi/rhizi,Rhizi/rhizi,yuvadm/rhizi,shlomif/rhizi,ozFri/rhizi,yuvadm/rhizi,tlevine/rhizi,tlevine/rhizi,cben/rhizi,Rhizi/rhizi