ANDROID: fully revert ANDROID_PARANOID_NETWORK

Revert "ANDROID: net: paranoid: security: Add AID_NET_RAW and AID_NET_ADMIN capability check in cap_capable()."
This reverts commit 944c7511.

Revert "ANDROID: net: paranoid: Only NET_ADMIN is allowed to fully control TUN interfaces."
This reverts commit 6ac0eb6d.

Revert "ANDROID: net: paranoid: Replace AID_NET_RAW checks with capable(CAP_NET_RAW)."
This reverts commit 336442ab.

Revert "ANDROID: net: Paranoid network."
This reverts commit bac1ef3c.

Test: Results of:
  git grep 'ANDROID_PARANOID_NETWORK|[^A-Z_]AID_'
  look reasonable
Bug: 138428914
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ibfd6c538ca87e645ab8cf28affb40abd6be0858e