Simplify OpenSSH mainline build #5549

Job	Run time
grpc	25m 27s
nmap	2m 17s
Python main	4m 27s
socat	5m 13s
tcpdump	2m 3s
tpm2-tss	3m 47s
bind9	3m 28s
Cyrus-SASL	1m 19s
libevent	28m 43s
OpenLDAP	16m 43s
openvpn2-6	3m 58s
openvpnMaster	4m 4s
Python releases (FIPS=0 OPENSSL_IN_CRT=0)	13m 6s
Python releases (FIPS=1 OPENSSL_IN_CRT=0)	15m 51s
strongswan	1m 55s
Python releases (FIPS=0 OPENSSL_IN_CRT=1)	12m 36s
amazon-corretto-crypto-provider	16m 0s
Python releases (FIPS=1 OPENSSL_IN_CRT=1)	12m 39s
Ruby releases (FIPS=0)	9m 26s
Ruby releases (FIPS=1)	9m 36s
	3h 12m 38s

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