Remove Surface Go and SP4 workarounds. (Fixes #37)

Surface Go nowadays works without the touchscreen workaround.

The SP4 rule will run on all devices, breaking IPTS on Surface Go for
example. Therefore we moved it to the device's quirk page, requiring the
user to manually add the file if necessary.

root/etc/systemd/system/surfacego-touchscreen.service

@@ -1,11 +0,0 @@
-[Unit]
-Description=Surface Go Touchscreen Power Management
-
-[Service]
-Type=oneshot
-RemainAfterExit=yes
-ConditionPathExists=/sys/devices/pci0000:00/0000:00:15.1/i2c_designware.1/power/control
-Exec=/bin/sh -c "echo on > /sys/devices/pci0000:00/0000:00:15.1/i2c_designware.1/power/control"
-
-[Install]
-WantedBy=multi-user.target

root/etc/udev/rules.d/99-surface.rules

@@ -1,2 +0,0 @@
-# Type Cover Re-attach (SP4)
-ACTION=="add", SUBSYSTEM=="usb", ATTRS{product}=="Surface Type Cover", RUN+="/sbin/modprobe -r i2c_hid && /sbin/modprobe i2c_hid"

setup.sh

@@ -45,9 +45,6 @@ done
 echo "==> Copying firmware files under root..."
 sudo cp -rv firmware/* /lib/firmware/
 
-echo "==> Enabling power management for Surface Go touchscreen..."
-sudo systemctl enable -q surfacego-touchscreen
-
 echo
 
 echo "Setting your clock to local time can fix issues with Windows dualboot."