Remove obsolete TODO and guards for post handshake authentication in … #66

Job	Run time
run-checker (enable-asan enable-ubsan no-shared no-asm -DOPENSSL_SMALL_FOOTPRINT)	1m 34s
run-checker (no-ct)	1m 11s
run-checker (no-dso)	1m 10s
run-checker (no-dynamic-engine)	1m 18s
run-checker (no-engine no-shared)	1m 18s
run-checker (no-err)	1m 8s
run-checker (no-filenames)	1m 18s
run-checker (enable-ubsan no-asm -DOPENSSL_SMALL_FOOTPRINT -fno-sanitize=alignment)	1m 29s
run-checker (no-module)	1m 30s
run-checker (no-ocsp)	1m 13s
run-checker (no-pinshared)	1m 12s
run-checker (no-srp)	1m 18s
run-checker (no-srtp)	1m 9s
run-checker (no-ts)	1m 24s
run-checker (enable-weak-ssl-ciphers)	1m 14s
run-checker (enable-zlib)	1m 11s
	20m 37s

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