{melodic} ros_distro_melodic.bbclass: Remove "python-qt-bindings" from RDEPENDS if Qt5 layer is absent
{melodic} ros_distro_melodic.bbclass: Remove "python-qt-bindings" from RDEPENDS if Qt5 layer is absent

bmwcarit/meta-ros,bmwcarit/meta-ros,bmwcarit/meta-ros,bmwcarit/meta-ros