Removed transit pass subsidy availability condition from spec file as those choosers are already filtered out

Author: JoeJimFlood

src/asim/configs/resident/transit_pass_subsidy.csv

@@ -17,7 +17,6 @@ util_ind_mil,Industry type is military,@df.naics_code==9000,0,coef_ind_mil
 util_ind_retail,Industry type is retail,@df.naics_code==721,0,coef_ind_retail
 util_is_student,Student status,@df.is_student,0,coef_is_student
 utils_sub_asc,Constant,1,0,coef_sub_asc
-util_availability,Availability of transit pass,transit_subsidy_available==False,0,coef_unavailable
 util_ft_ASC,ptype_ft calibration constant,@df.ptype == 1,0,coef_ft_asc
 util_pt_ASC,ptype_pt calibration constant,@df.ptype == 2,0,coef_pt_asc
 util_un_ASC,ptype_un calibration constant,@df.ptype == 3,0,coef_un_asc