Remove convert_proc and close_proc.
Remove convert_proc and close_proc.

Both aren't actually called by the server anymore.

Signed-off-by: Peter Hutterer <b9c50af7afa7642f6f854434cda9ffe54ece8b85@who-t.net>

kelnos/xf86-input-synaptics,mmonaco/xf86-input-synaptics,RsrchBoy/xserver-xorg-input-synaptics,mortehu/xf86-input-synaptics,sencer/synaptics,eyko/xf86-input-synaptics,Lyude/xf86-input-synaptics,RsrchBoy/xserver-xorg-input-synaptics,philipn/xserver-xorg-input-synaptics,felipejfc/xserver-xorg-input-synaptics,Lyude/xf86-input-synaptics,eyko/xf86-input-synaptics,jiixyj/xf86-input-synaptics,felipejfc/xserver-xorg-input-synaptics,quadpixels/three-finger-dragging,sencer/synaptics,felipejfc/xserver-xorg-input-synaptics,nanderson94/xf86-input-synaptics,mortehu/xf86-input-synaptics,gdestuynder/xf86-input-synaptics,gdestuynder/xf86-input-synaptics,ssaavedra/xf86-input-synaptics,philipn/xserver-xorg-input-synaptics,corcoran/xserver-xorg-input-synaptics,mmonaco/xf86-input-synaptics,philipn/xserver-xorg-input-synaptics,corcoran/xserver-xorg-input-synaptics,ssaavedra/xf86-input-synaptics,nanderson94/xf86-input-synaptics,jiixyj/xf86-input-synaptics,kelnos/xf86-input-synaptics,quadpixels/three-finger-dragging