Examples: remove CONFIG+=console in text example

This is not needed.

Change-Id: Ic65f2a1f7cf71d658bef194c05385aa34f3160b7
Reviewed-by: Jens Bache-Wiig <jens.bache-wiig@digia.com>

examples/quick/controls/text/text.pro

 QT += qml quick
-CONFIG += console
 TARGET = text
 qtHaveModule(widgets) {
     QT += widgets