Rem py 3.9

Author: pgleeson

.github/workflows/omv-ci.yml

@@ -13,11 +13,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "3.9","3.10", "3.12", "3.13" ] # Brian no longer supported on py3.9!
+        python-version: [ "3.10", "3.12", "3.13" ] # Brian no longer supported on py3.9!
         engine: [ jNeuroML, jNeuroML_NEURON, jNeuroML_PyNN_NEURON, jNeuroML_validate, PyNN_NEURON, PyNN_Nest, PyNN_NeuroML, PyNN_Brian2]
-        exclude:
-           - python-version: "3.9"
-           - engine: "PyNN_Brian2"
 
     steps:
     - uses: actions/checkout@v4