This continues were 70e6c71f


stopped and removes Symbian support from the .pro files and
the examples.

Change-Id: I760645d6e19cccb50d505340c3a08bacc7190105
Sanity-Review: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Daniel Molkentin <daniel.molkentin@nokia.com>