Merge #18778: ci: Run functional tests on mac again

fac24de ci: Run functional tests on mac again (MarcoFalke)

Pull request description:

ACKs for top commit:
  hebasto:
    ACK fac24de, verified travis build log.

Tree-SHA512: 406282a7ac03e5c193830b727366c7b1350639f1850aff951bf7ddd4b0c3e3ffb396b950ccb3a64ddc59500fa2739766f3c34806b4d144bc4535bb2bd765b959

Author: MarcoFalke

ci/test/00_setup_env_mac_host.sh

@@ -8,8 +8,6 @@ export LC_ALL=C.UTF-8
 
 export HOST=x86_64-apple-darwin16
 export PIP_PACKAGES="zmq"
-export RUN_UNIT_TESTS=true
-export RUN_FUNCTIONAL_TESTS=false
 export GOAL="install"
 export BITCOIN_CONFIG="--enable-gui --enable-reduce-exports --enable-werror"
 # Run without depends