Pontoon: Updated Czech (cs) localization of MDN
Pontoon: Updated Czech (cs) localization of MDN

Translation authors:
- Michal Vašíček <michalvasicek@icloud.com>

yfdyh000/kuma,Elchi3/kuma,jezdez/kuma,mozilla/kuma,jwhitlock/kuma,jwhitlock/kuma,jwhitlock/kuma,jwhitlock/kuma,ollie314/kuma,openjck/kuma,Elchi3/kuma,openjck/kuma,openjck/kuma,safwanrahman/kuma,jgmize/kuma,safwanrahman/kuma,a2sheppy/kuma,safwanrahman/kuma,ollie314/kuma,jezdez/kuma,mozilla/kuma,anaran/kuma,Elchi3/kuma,SphinxKnight/kuma,ollie314/kuma,darkwing/kuma,jgmize/kuma,SphinxKnight/kuma,mozilla/kuma,yfdyh000/kuma,ollie314/kuma,jgmize/kuma,darkwing/kuma,jgmize/kuma,SphinxKnight/kuma,a2sheppy/kuma,a2sheppy/kuma,openjck/kuma,openjck/kuma,jgmize/kuma,darkwing/kuma,jgmize/kuma,jezdez/kuma,darkwing/kuma,safwanrahman/kuma,anaran/kuma,escattone/kuma,yfdyh000/kuma,anaran/kuma,anaran/kuma,darkwing/kuma,Elchi3/kuma,escattone/kuma,jwhitlock/kuma,mozilla/kuma,jezdez/kuma,SphinxKnight/kuma,openjck/kuma,a2sheppy/kuma,yfdyh000/kuma,darkwing/kuma,Elchi3/kuma,anaran/kuma,ollie314/kuma,yfdyh000/kuma,SphinxKnight/kuma,safwanrahman/kuma,mozilla/kuma,jezdez/kuma,anaran/kuma,escattone/kuma,safwanrahman/kuma,SphinxKnight/kuma,a2sheppy/kuma,jezdez/kuma,ollie314/kuma,yfdyh000/kuma