Remove dead *_device types from system sepolicy.

No coredomain domain has access to these types and corresponding /dev
nodes don't exist on the device:

audio_seq_device
audio_timer_device
full_device
i2c_device
vcs_device

Bug: 110962171
Test: m selinux_policy
Test: boot walleye
Change-Id: I89ad4755e6760aa166cb22e2655567e5905dc672