Re-enable "MediaWiki.NamingConventions.LowerCamelFunctionsName.FunctionName"…

Authored by Pppery on Wed, Dec 6, 10:11 PM.

Description

Re-enable "MediaWiki.NamingConventions.LowerCamelFunctionsName.FunctionName" sniff

Bug: T170583
Change-Id: I76ed85cf960269c5692e9ec8c92877bcb13e4100