Removed obsolete information about ALPS touchpads in the INSTALL file.
Removed obsolete information about ALPS touchpads in the
INSTALL file.

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