Do not clear the result cache again in the spawned process e2e test

The step already clears it before the scenario runs. Clearing it again
loads the probe through bootstrapFiles in a process that never restarts,
after probe.log was reset.

Amp-Thread-ID: https://ampcode.com/threads/T-01a17e3b-9bb8-77b1-a5c1-722d8ade601b

Author: ondrejmirtes

.github/workflows/e2e-tests.yml

@@ -2461,7 +2461,6 @@ jobs:
             coverage: "pcov"
             extensions: ""
             script: |
-              php ../../bin/phpstan clear-result-cache -c spawn.neon -a SpawnedProcessRule.php
               set +e
               php ../../bin/phpstan analyse -c spawn.neon -a SpawnedProcessRule.php --no-progress --error-format=raw -vvv > out.txt 2>&1
               CODE=$?