Revert "Add ::1 to localhost in etc/hosts"

Revert submission 2291455-localhost_v6

Reason for revert: b/258627476
Reverted Changes:
Icd11fab47:[Test] Update test to comply with etc/hosts change...
Ibcee52a14:Add ::1 to localhost in etc/hosts

Bug: 258627476
Change-Id: I42c8b0aebdbd8b73a90606c0a999f25d8d071cd1
1 file changed