Remove reference to obsolete apex_power driver.

This was causing rest of the rules to be ignored.

Change-Id: Ice22bd816bece583bb6703ce8a73bd0b30a241ab
diff --git a/debian/aiy-board-tweaks.udev b/debian/aiy-board-tweaks.udev
index 58a019b..0bcdc36 100644
--- a/debian/aiy-board-tweaks.udev
+++ b/debian/aiy-board-tweaks.udev
@@ -1,4 +1,3 @@
-SUBSYSTEM=="apex_power", MODE="0660", GROUP="apex"
 SUBSYSTEM=="apex", MODE="0660", GROUP="apex"
 DEVPATH=="/module/ov5645_camera_mipi_v2", ACTION=="add", RUN+="/bin/chgrp video /sys%p/parameters/ov5645_af", RUN+="/bin/chmod ug+rw /sys%p/parameters/ov5645_af"
 DEVPATH=="/module/ov5645_camera_mipi_v2", ACTION=="change", ENV{TRIGGER}!="none", RUN+="/bin/chgrp video /sys%p/parameters/ov5645_af", RUN+="/bin/chmod ug+rw /sys%p/parameters/ov5645_af"