Remove unused key nowikiemailtitle

Change-Id: I371429d0d73ee08536ff61083ba67ed3fd2c8548
Remove unused key usernamehasherror

Change-Id: I239c3ba63bdb191dfa08d49bf176b5d64029aea4
Place parenthesis outsoude of code tag

Spotted by Orlodrim and reported at
https://translatewiki.net/wiki/Thread:Support/MediaWiki:Post-expand-template-argument-category-desc/en

Change-Id: Ie4921b517447ab8398a231088ab15191818a3f47
Merge "Remove unused key nowikiemailtitle"
Merge "Remove unused key usernamehasherror"
Merge "Place parenthesis outsoude of code tag"