chg: [docs] Removed old Debian stable install guide
chg: [docs] Removed old Debian stable install guide

SteveClement/MISP,devnull-/MISP,FloatingGhost/MISP,SteveClement/MISP,FIRSTdotorg/MISP,MISP/MISP,Rafiot/MISP,Rafiot/MISP,MISP/MISP,Rafiot/MISP,FloatingGhost/MISP,FIRSTdotorg/MISP,MISP/MISP,MISP/MISP,Rafiot/MISP,FIRSTdotorg/MISP,devnull-/MISP,FloatingGhost/MISP,devnull-/MISP,FloatingGhost/MISP,SteveClement/MISP,devnull-/MISP,SteveClement/MISP,FIRSTdotorg/MISP,MISP/MISP,SteveClement/MISP