remove else bls lib in config.ac since its in makefile.am
remove else bls lib in config.ac since its in makefile.am


Former-commit-id: 7b7f2cdce8b5b9bae9d034a1b33098a3dd3f5e1e
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin