remove unused/unexistant function
remove unused/unexistant function

cgaebel/gluon,KDE/gluon,cgaebel/gluon,KDE/gluon,pranavrc/example-gluon,pranavrc/example-gluon,cgaebel/gluon,KDE/gluon,KDE/gluon,pranavrc/example-gluon,cgaebel/gluon,pranavrc/example-gluon