QmlDesigner: Remove spaces

Change-Id: I998af70135fe859c98d384e451910beb86c4e090
Reviewed-by: Marco Bubke <marco.bubke@digia.com>
ProjectWizard: Remove unused method hideProjectComboBox

Was never used, not even by the commit introducing this function.

Change-Id: Ic6e68ebde71e981b59df63d2c283442ac17838a5
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>