Remove hostapd pid manipulation

This is no longer needed now that we can clean up after unclean
shutdowns.

Bug: 31023120
Change-Id: I459d62d3f199c8acd35a139fa4f8ca60042d6bbf
Test: wificond unit and integration tests pass
2 files changed
tree: de58bbd83b5162b0665dd9510effc168f5f6922b
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/