deleting accounts that use 2-stage delete, calls validate() and potentially fails

[elitegreg]

Trying to delete an old user on testnet with a rfc1918 client_ip, delete fails due to validation:

Program Logs:
Program DZtnuQ839pSaDMFG5q1ad2V95G82S5EC4RrB3Ndw2Heb invoke [1]
Program log: Instruction: DeleteUser()
Program log: Rent required: 1552080, actual: 1461600
Program 11111111111111111111111111111111 invoke [2]
Program 11111111111111111111111111111111 success
Program log: Resized account from 82 to 95
Program log: client_ip: 172.19.1.33
Program DZtnuQ839pSaDMFG5q1ad2V95G82S5EC4RrB3Ndw2Heb consumed 15979 of 200000 compute units
Program DZtnuQ839pSaDMFG5q1ad2V95G82S5EC4RrB3Ndw2Heb failed: custom program error: 0x1a
Error: Invalid Client IP

Validation shouldn't occur on delete.