(MAINT) clean up upgrade matrix

Author: davidmalloncares

.github/workflows/test-upgrade-matrix.yaml

@@ -37,23 +37,17 @@ jobs:
       fail-fast: false
       matrix:
         architecture: [standard, extra-large]  # removing xl-with dr until PE-40902 is addressed
-        version: [2019.8.12, 2021.7.9, 2023.8.2]
+        version: [2021.7.9, 2023.8.2]
         version_to_upgrade: [2021.7.9, 2023.8.2, 2025.2.0]
         image: [almalinux-cloud/almalinux-8]
         download_mode: [direct]
         exclude:
-          - version: 2019.8.12
-            version_to_upgrade: 2023.8.2
-          - version: 2019.8.12
-            version_to_upgrade: 2025.2.0
           - version: 2021.7.9
             version_to_upgrade: 2021.7.9
-          - version: 2021.7.9
-            version_to_upgrade: 2025.2.0
-          - version: 2023.8.1
-            version_to_upgrade: 2023.8.2
           - version: 2023.8.2
             version_to_upgrade: 2021.7.9
+          - version: 2023.8.2
+            version_to_upgrade: 2023.8.2
     steps:
       - name: Start SSH session
         if: ${{ github.event.inputs.ssh-debugging == 'true' }}