Pontoon: Updated Japanese (ja) localization of MDN
Pontoon: Updated Japanese (ja) localization of MDN

Translation authors:
- Kohei Yoshino <kohei.yoshino@gmail.com>

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