WiFi-Hal: Cleanup unused command register/deregister code

wifi_register_cmd and wifi_unregister_cmd APIs are not used
anymore and can be cleaned up.

Bug: 74215851
Change-Id: I2c7de027515ffa85a3c58cea2b41f02c3ee0e56e
(cherry-picked from b690ce2542d5ec41014d760860704be50067136d)
3 files changed
tree: 42287ae92d9fa0b2791b1b7ede40e2e56649b771
  1. cld80211-lib/
  2. qcwcn/
  3. Android.mk
  4. OWNERS