Revert "Add elif to sshd_config template for EL7"
This reverts commit 34370429445380acec8f4d7c915a2585714f6839.
This doesn't work on rhel8 machines:
/etc/crypto-policies/back-ends/opensshserver.config: line 1: Bad configuration option: CRYPTO_POLICY
/etc/crypto-policies/back-ends/opensshserver.config: terminating, 1 bad configuration options