cl_drawhud 0
bind n "sv_cheats 1; noclip"

Conne's script:
sv_cheats 1;
bot_kick;
mp_warmup_end;
mp_freezetime 0;
mp_roundtime 60;
mp_roundtime_defuse 999;
mp_roundtime_hostage 999;
mp_buy_anywhere 1;
mp_buytime 999;
sv_infinite_ammo 2;
mp_startmoney 16000;
mp_restartgame 1;
mp_ignore_round_win_conditions 1;
cl_drawhud 0

CS2:
mp_maxmoney 100000;mp_startmoney 100000;mp_afterroundmoney 100000;mp_restartgame 1