D15426: Avoid QByteArray::remove in AccessManagerReply::readData

[Luca Beltrame]

lbeltrame added a reviewer: dfaure.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D15426

To: fvogt, #frameworks, elvisangelaccio, dfaure
Cc: ngraham, bruns, kde-frameworks-devel, michaelh