ade-commands: Drop unneeded results pattern

The testcase uses `run-test-in-systemd` which in turn uses `lava-test-case` so
there's no need to set a custom pattern to parse test results.

Signed-off-by: Emanuele Aina <emanuele.aina@collabora.com>

test-cases/ade-commands.yaml

@@ -44,6 +44,3 @@ run:
        directory"
     - common/run-test-in-systemd --timeout=30min ade/ade-tests-custom.sh
     - common/run-test-in-systemd --timeout=30min ade/ade-tests-defaults.sh
-
-parse:
-  pattern: 'TEST_RESULT:(?P<result>\w+):(?P<test_case_id>[^:]+):'