D29371: KMainWindow: remove doc paragraph about KGlobal::ref usage

[Daniel Vrátil]

dvratil added a reviewer: Frameworks.

REPOSITORY
  R263 KXmlGui

REVISION DETAIL
  https://phabricator.kde.org/D29371

To: dvratil, dfaure, #frameworks
Cc: kde-frameworks-devel, LeGast00n, cblack, michaelh, ngraham, bruns
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