SpringerNormalizer: disabled unused spacgroup, which used old metainfo

src/main/scala/eu/nomad_lab/normalizers/SpringerNormalizer.scala

@@ -109,7 +109,7 @@ object SpringerNormalizer extends ExternalNormalizerGenerator(
         sysSection.maybeValue("system_composition").map(_.stringValue) match {
           case None => ()
           case Some(formula) =>
-            val spaceG = sysSection.maybeValue("space_group_3D_number").map(_.intValue)
+            val spaceG = None // for (s <- sysSection.subSectionCollection("section_symmetry") maybeValue("space_group_number").map(_.intValue)...
             systems += SpringerSystemInfo(formula, spaceG)
         }
       }