Doc: Fix a broken link to the qbs module
Doc: Fix a broken link to the qbs module

The commit to remove this file is in master, so this link
needs to be fixed in 1.11.

Change-Id: Ieb2dc1a6800f271783cd8f39e48dfbe7eb3bcc65
Reviewed-by: Joerg Bornemann <47777b9406dbddd02a3fdca8341789a013805a11@qt.io>

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