Changes: don't call MKeyboardHost::hide() during construction
Changes: don't call MKeyboardHost::hide() during construction

RevBy: Pekka Vuorela, Kimmo Surakka, Chi Ning
Details: no need to.  Let's try to reserve hide() calls to actual SIP hide
requests (not the case right now, they are also used for plugin
deactivation).

KDE/plasma-maliit-plugins,RHawkeyed/plugins,KDE/plasma-maliit-plugins,KDE/plasma-maliit-plugins,RHawkeyed/plugins,RHawkeyed/plugins,KDE/plasma-maliit-plugins,maliit/plugins,maliit/plugins,RHawkeyed/plugins,develersrl/maliit-demo-qml,develersrl/maliit-demo-qml,develersrl/maliit-demo-qml,develersrl/maliit-demo-qml,maliit/plugins,RHawkeyed/plugins,maliit/plugins