Revert "scripts: quarantine: add radio_test at LM20"

This reverts commit 1de8dff.

Signed-off-by: Piotr Kosycarz <[email protected]>

Author: nordic-piks

scripts/quarantine.yaml

@@ -100,9 +100,3 @@
   platforms:
     - [email protected]/nrf54h20/cpuapp
   comment: "https://nordicsemi.atlassian.net/browse/NCSDK-34187"
-
-- scenarios:
-    - sample.peripheral.radio_test
-  platforms:
-    - [email protected]/nrf54lm20a/cpuapp
-  comment: "https://github.com/nrfconnect/sdk-nrf/pull/23124"