build: Drop dead non-pkg-config code for UNIVALUE check
build: Drop dead non-pkg-config code for UNIVALUE check

Former-commit-id: 4fc2e299a937b546eaa76c1e3adb7ee35de1079c
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin