Remove superfluous nullptr check in SVConverter
Remove superfluous nullptr check in SVConverter

We do not need to check itemOfProperty for nullptr, because it is always
provided. Other code paths already use this variable unconditionally.

Change-Id: Ibf4cd79aa0579361300cd6b6734b15c49bd1e6ec
Reviewed-by: Christian Kandeler <3aa99dcdd3f0cac61fb81c2a11771c0cc2497607@qt.io>

qtproject/qt-labs-qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qt-labs/qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qt-labs/qbs