fix: geant4: one_of [-vecgeom, +vecgeom]

Author: wdconinc

spack-environment/packages.yaml

@@ -175,7 +175,7 @@ packages:
     - '@11.3.2.east'
     - cxxstd=20 +threads -vtk
     - one_of: [+opengl +qt +x11, -opengl -qt -x11]
-    - one_of: [-vecgeom, +vecgeom ^vecgeom +cuda]
+    - one_of: [-vecgeom, +vecgeom]
   gettext: 
     require:
     - +libxml2