Drop FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION for some builds #757

Job	Run time
run-checker (enable-asan enable-ubsan no-shared no-asm -DOPENSSL_SMALL_FOOTPRINT)	17m 17s
run-checker (no-ct)	7m 30s
run-checker (no-dso)	8m 9s
run-checker (no-dynamic-engine)	9m 55s
run-checker (no-engine no-shared)	6m 57s
run-checker (no-err)	9m 58s
run-checker (no-filenames)	7m 21s
run-checker (enable-ubsan no-asm -DOPENSSL_SMALL_FOOTPRINT -fno-sanitize=alignment)	12m 5s
run-checker (no-module)	7m 12s
run-checker (no-ocsp)	7m 14s
run-checker (no-pinshared)	7m 44s
run-checker (no-srp)	7m 28s
run-checker (no-srtp)	8m 5s
run-checker (no-ts)	7m 37s
run-checker (enable-weak-ssl-ciphers)	7m 14s
run-checker (enable-zlib)	7m 19s
	2h 19m 5s

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