[#577,templates][xs]: remove left in py:def in alttemplates/_util.html.
[#577,templates][xs]: remove left in py:def in alttemplates/_util.html.

CivicVision/datahub,CivicVision/datahub,pudo/spendb,openspending/spendb,spendb/spendb,johnjohndoe/spendb,openspending/spendb,nathanhilbert/FPA_Core,nathanhilbert/FPA_Core,spendb/spendb,CivicVision/datahub,johnjohndoe/spendb,pudo/spendb,johnjohndoe/spendb,pudo/spendb,nathanhilbert/FPA_Core,USStateDept/FPA_Core,openspending/spendb,spendb/spendb,USStateDept/FPA_Core,USStateDept/FPA_Core