Remove unused Data::Dumper from cmake exporter #6

Job	Run time
run-checker (enable-asan enable-ubsan no-shared no-asm -DOPENSSL_SMALL_FOOTPRINT)	10m 8s
run-checker (no-ct)	5m 23s
run-checker (no-dso)	4m 54s
run-checker (no-dynamic-engine)	5m 7s
run-checker (no-ec2m)	4m 54s
run-checker (no-engine no-shared)	4m 16s
run-checker (no-err)	5m 6s
run-checker (no-filenames)	5m 14s
run-checker (enable-ubsan no-asm -DOPENSSL_SMALL_FOOTPRINT -fno-sanitize=alignment)	8m 3s
run-checker (no-module)	5m 2s
run-checker (no-ocsp)	5m 6s
run-checker (no-pinshared)	5m 13s
run-checker (no-srp)	5m 16s
run-checker (no-srtp)	5m 11s
run-checker (no-ts)	5m 33s
run-checker (enable-weak-ssl-ciphers)	5m 17s
run-checker (enable-zlib)	5m 15s
	1h 34m 58s

Provide feedback