staging: ft1000: remove procfs entries

This patch started as a fix to some checkpatch complaints in ft1000
procfs code but Greg suggested to remove the procfs entries altogether:

http://driverdev.linuxdriverproject.org/pipermail/driverdev-devel/2014-July/055594.html



Signed-off-by: Nicolas Thery <nthery@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>