Revert "Make Ctrl-u and Ctrl-k work in GtkTextView too"
Revert "Make Ctrl-u and Ctrl-k work in GtkTextView too"

This reverts commit 5744bb3cf16cabfe4ee4677c7250ee8f90550a37.

This causes conflicts with already existing shortcuts e.g.
in gedit.

Lyude/gtk-,chergert/gtk,grubersjoe/adwaita,jigpu/gtk,Adamovskiy/gtk,davidgumberg/gtk,alexlarsson/gtk,ahodesuka/gtk,alexlarsson/gtk,jigpu/gtk,ahodesuka/gtk,davidgumberg/gtk,chergert/gtk,davidgumberg/gtk,grubersjoe/adwaita,alexlarsson/gtk,jigpu/gtk,jessevdk/gtk,chergert/gtk,Lyude/gtk-,ahodesuka/gtk,jadahl/gtk,Adamovskiy/gtk,Adamovskiy/gtk,Adamovskiy/gtk,jigpu/gtk,ahodesuka/gtk,Lyude/gtk-,jessevdk/gtk,grubersjoe/adwaita,jigpu/gtk,grubersjoe/adwaita,alexlarsson/gtk,alexlarsson/gtk,chergert/gtk,davidgumberg/gtk,alexlarsson/gtk,jadahl/gtk,jadahl/gtk,jessevdk/gtk,Lyude/gtk-,ahodesuka/gtk,chergert/gtk,jessevdk/gtk,Adamovskiy/gtk,chergert/gtk,jadahl/gtk,chergert/gtk,jigpu/gtk,chergert/gtk,Lyude/gtk-,alexlarsson/gtk,ahodesuka/gtk,jessevdk/gtk,Lyude/gtk-,jessevdk/gtk,davidgumberg/gtk,Adamovskiy/gtk,jadahl/gtk,jadahl/gtk,ahodesuka/gtk,jadahl/gtk,davidgumberg/gtk,davidgumberg/gtk,grubersjoe/adwaita,Lyude/gtk-,grubersjoe/adwaita,grubersjoe/adwaita,Adamovskiy/gtk,grubersjoe/adwaita,alexlarsson/gtk,jigpu/gtk,Lyude/gtk-,Adamovskiy/gtk,ahodesuka/gtk,jessevdk/gtk,davidgumberg/gtk,jadahl/gtk,jigpu/gtk