[ADD]eln_sale_commission: Eliminar constraint de único agente en la linea de venta
[ADD]eln_sale_commission: Eliminar constraint de único agente en la linea de venta

ELNOGAL/CMNT_00040_2016_ELN_addons,ELNOGAL/CMNT_00040_2016_ELN_addons,Comunitea/CMNT_00040_2016_ELN_addons,Comunitea/CMNT_00040_2016_ELN_addons,ELNOGAL/CMNT_00040_2016_ELN_addons,Comunitea/CMNT_00040_2016_ELN_addons,Comunitea/CMNT_00040_2016_ELN_addons,ELNOGAL/CMNT_00040_2016_ELN_addons