remove some non-EBRAINS tools from spack.yaml

spack.yaml

@@ -37,7 +37,6 @@ spack:
     - py-lfpy@2.3
     - py-lfpykit@0.5
     - py-libsonata@0.1.22
-    - py-nameparser@1.1.1
     - py-neo@0.12.0
     - py-nestml@5.2.0
     - py-netpyne@1.0.4.1
@@ -65,9 +64,6 @@ spack:
     - r-uqsa@2.2
     - sda@7.3.3d
     - simpletraj@0.3
-    # Utils
-    - py-schema@0.7.5
-    - py-matplotlib-scalebar@0.8.1
     # Workflows (meta-packages)
     - wf-uq-akar4@0.1
     - wf-multi-area-model@0.1