Remove size_request from GtkPaned
Remove size_request from GtkPaned

This is not the final word; GtkPaned should really implement
height-for-width, but I didn't have time to complete that now.

jessevdk/gtk,jadahl/gtk,msteinert/gtk,davidgumberg/gtk,simokivimaki/gtk,bratsche/gtk-,Adamovskiy/gtk,jadahl/gtk,simokivimaki/gtk,ebassi/gtk,jigpu/gtk,jigpu/gtk,Distrotech/gtk2,davidgumberg/gtk,alexlarsson/gtk,ahodesuka/gtk,simokivimaki/gtk,jigpu/gtk,Adamovskiy/gtk,grubersjoe/adwaita,bratsche/gtk-,ebassi/gtk,davidgumberg/gtk,grubersjoe/adwaita,ebassi/gtk,ahodesuka/gtk,Lyude/gtk-,jigpu/gtk,davidgumberg/gtk,grubersjoe/adwaita,ahodesuka/gtk,jigpu/gtk,bratsche/gtk-,Sidnioulz/SandboxGtk,Distrotech/gtk2,simokivimaki/gtk,jadahl/gtk,msteinert/gtk,davidgumberg/gtk,Adamovskiy/gtk,ebassi/gtk,chergert/gtk,davidgumberg/gtk,jadahl/gtk,jessevdk/gtk,ebassi/gtk,davidt/gtk,Sidnioulz/SandboxGtk,jigpu/gtk,jadahl/gtk,Sidnioulz/SandboxGtk,davidt/gtk,alexlarsson/gtk,Adamovskiy/gtk,davidt/gtk,Sidnioulz/SandboxGtk,grubersjoe/adwaita,alexlarsson/gtk,bratsche/gtk-,jigpu/gtk,simokivimaki/gtk,bratsche/gtk-,jadahl/gtk,Lyude/gtk-,ahodesuka/gtk,msteinert/gtk,Distrotech/gtk2,grubersjoe/adwaita,alexlarsson/gtk,davidt/gtk,grubersjoe/adwaita,chergert/gtk,ahodesuka/gtk,Adamovskiy/gtk,Lyude/gtk-,Lyude/gtk-,davidt/gtk,davidgumberg/gtk,chergert/gtk,alexlarsson/gtk,grubersjoe/adwaita,msteinert/gtk,grubersjoe/adwaita,chergert/gtk,ebassi/gtk,Distrotech/gtk2,chergert/gtk,Distrotech/gtk2,Lyude/gtk-,chergert/gtk,davidgumberg/gtk,bratsche/gtk-,msteinert/gtk,ahodesuka/gtk,Lyude/gtk-,jessevdk/gtk,jadahl/gtk,msteinert/gtk,Lyude/gtk-,jessevdk/gtk,Lyude/gtk-,alexlarsson/gtk,Adamovskiy/gtk,Sidnioulz/SandboxGtk,chergert/gtk,jessevdk/gtk,Sidnioulz/SandboxGtk,jessevdk/gtk,jigpu/gtk,alexlarsson/gtk,ahodesuka/gtk,chergert/gtk,Adamovskiy/gtk,alexlarsson/gtk,simokivimaki/gtk,davidt/gtk,Adamovskiy/gtk,jessevdk/gtk,Distrotech/gtk2,jadahl/gtk,ahodesuka/gtk