Remove using of User::isIP since this method will be hard-deprecated. Now it is soft-deprecated
Bug: T275602
Change-Id: I01a0c2ef4d750cf0e81a9345ee462787d4ee28da
This reverts commit ae8e3ad58b.
Reason for revert: This led to T260155 as the internal class uses
isSubPage which is not available on LinkTarget
Bug: T260155
Change-Id: I783f41e70cf1cf3b91737bce9cbf9ac729a778df
SkinUserPageHelper::__construct() should be able to consume a LinkTarget
too as NamespaceInfo::getSubjectPage() method returns a LinkTarget and
the Title::getSubjectPage() is deprecated.
Change-Id: I08bfc9bb21772b450798b6354bee2ab09d5dba4d