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http://metrovideogame.wikia.com/wiki/Category:Weapons

there is bar on the bottom of the screen, problem is for me sometimes the bar has a big box to show up on the right to go with it.

if you want to remove only the box, you can use fanboy's annoyances list from
http://adblockplus.org/en/subscriptions/

that list contains also the social list.

If instead you want only a filter for this annoyance use