amazon/common-hdx: remove common init.rc file

Change-Id: Ibac73846a097d17a8a30a40a1f26fc02a4744076
amazon/apollo: setup init.rc + touchscreen changes

Change-Id: Ie75ce1bcdc6afd6f53adb0396c1cd49dae0ec0ac
amazon/thor: setup unique init.rc

Change-Id: I40996637042f2b27fddae5fa7f7a65df54108951