remove superlu since failing due to issue with 'complex'

Author: adedner

ossetup

@@ -23,5 +23,6 @@ elif [ "$RUNNER_OS" == "macOS" ]; then
   brew update
   brew install [email protected] || true
   brew install [email protected] || true
-  brew install openmpi superlu suite-sparse gmsh boost pkg-config || true
+  brew install openmpi suite-sparse gmsh boost pkg-config || true
+  # + superlu (is failing currently)
 fi