LAVA: Disable FF test on MPS2 boards

LAVA is reading FF logs from a wrong UART on MPS2 boards.
Disable FF test on MPS2 boards to avoid blocking CI.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: I56a9f4dfac25ba1a96f3a9100f194535ff919fb0
diff --git a/lava_helper/lava_helper_configs.py b/lava_helper/lava_helper_configs.py
index e7d5ebd..6d51509 100644
--- a/lava_helper/lava_helper_configs.py
+++ b/lava_helper/lava_helper_configs.py
@@ -214,14 +214,6 @@
         'PsaApiTestIPCTfmLevel3_Attest': {
             "monitors": monitors_psaapitest_by_ut,
         },
-
-        'PsaApiTestIPC_FF': {
-            "monitors": monitors_psaapitest_ff,
-        },
-        'PsaApiTestIPCTfmLevel2_FF': {
-            "monitors": monitors_psaapitest_ff,
-        },
-
     }  # Tests
 }