fix(plan): remove redundant puppet agent run task

- Removed the redundant task to run the puppet agent on all nodes after installation.
- Simplified the install_test_cluster plan by eliminating unnecessary steps.

Author: CoMfUcIoS

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

@@ -97,7 +97,7 @@ jobs:
           bundle exec bolt plan run peadm_spec::install_test_cluster \
             --inventoryfile spec/fixtures/litmus_inventory.yaml \
             --modulepath spec/fixtures/modules \
-            architecture="large" \
+            architecture=${{ matrix.architecture }} \
             console_password=${{ secrets.CONSOLE_PASSWORD }} \
             version=${{ matrix.version }}
       - name: Wait as long as the file ${HOME}/pause file is present
@@ -135,7 +135,7 @@ jobs:
             --inventoryfile spec/fixtures/litmus_inventory.yaml \
             --modulepath spec/fixtures/modules \
             --no-host-key-check \
-            architecture="large" \
+            architecture=${{ matrix.architecture }} \
             version=${{ matrix.to_version }}
       - name: Tear down test cluster
         if: ${{ always() }}

spec/acceptance/peadm_spec/plans/install_test_cluster.pp

@@ -79,8 +79,5 @@
   $install_result =
     run_plan('peadm::install', $arch_params + $common_params)
 
-  # Run puppet agent on all nodes
-  run_task('peadm::puppet_runonce', $t)
-
   return($install_result)
 }