po:update zh_CN.po

1.translate remove installation media msgid to zh_CN
2.check fuzzy in all po files

3.changed '拔出' to '移除' in zh_CN.po

4.update msgid of remove installation media
5.update all po files

tower:https://tower.im/projects/17ce1bc3f1f14999931c914377f5af62/todos/bc450c4876b44d549b742679cec74551/#f1d96f0e12274210b80b00cac0ee93c2

Change-Id: I9aabee722ba73f59841595ea04172a574a9bf980