MAINT: Removed unused holiday definitions
MAINT: Removed unused holiday definitions

bartosh/zipline,enigmampc/catalyst,quantopian/zipline,magne-max/zipline-ja,alphaBenj/zipline,Scapogo/zipline,enigmampc/catalyst,humdings/zipline,alphaBenj/zipline,humdings/zipline,florentchandelier/zipline,bartosh/zipline,magne-max/zipline-ja,Scapogo/zipline,florentchandelier/zipline,quantopian/zipline