This message seems to be used for the subtitle link on unblock success on Special:BlockList, and is used both for accounts and IPs. Needs to handle both these cases at least; double-check also handling of IP ranges?
'unblockip' => 'Unblock user',
'unblockiptext' => 'Use the form below to restore write access to a previously blocked IP address or username.',
'ipusubmit' => 'Remove this block',
-'unblocked' => '[[Special:Contributions/$1|$1]] has been unblocked',
+'unblocked' => '[[User:$1|$1]] has been unblocked',
'unblocked-id' => 'Block $1 has been removed',
'ipblocklist' => 'Blocked IP addresses and usernames',
'ipblocklist-legend' => 'Find a blocked user',