Removes certain symbols that give problems with the extract-json script
Removes certain symbols that give problems with the extract-json script

contributes to #CURA-526

ynotstartups/Wanhao,Curahelper/Cura,totalretribution/Cura,senttech/Cura,hmflash/Cura,hmflash/Cura,fieldOfView/Cura,totalretribution/Cura,Curahelper/Cura,ynotstartups/Wanhao,fieldOfView/Cura,senttech/Cura