Cleaning a bit petsc

stacks/pinot-noir-gcc13/packages_stack.yaml

@@ -194,8 +194,7 @@ packages:
     require: ['+powercap', '+rapl']
 
   petsc:
-    require:
-    - spec: '+hypre +mumps +saws +scalapack +mpi +suite-sparse +kokkos +openmp'
+    require: ['+hypre', '+mumps', '+saws', '+scalapack', '+mpi', '+suite-sparse', '+kokkos', '+openmp']
 
   python:
     require:

stacks/pinot-noir-gcc13/spack.yaml

@@ -278,7 +278,7 @@ spack:
         - cgal
         - iq-tree@1.6.12++mpi
         - neuron ++mpi +python
-        - petsc@3.21.1
+        - petsc
         - plumed
         - py-petsc4py
         - slepc