samples: ps_client: remove unneeded fonf fragment

verbose.conf was added by mistake in the sample.yaml
removing this to fix incorrect CI configuration

Signed-off-by: Marek Porwisz <marek.porwisz@nordicsemi.no>

Author: MarekPorwisz

samples/nrf_rpc/protocols_serialization/client/sample.yaml

@@ -35,6 +35,6 @@ tests:
     extra_args:
       - SNIPPET="ci-shell;zperf"
       - EXTRA_DTC_OVERLAY_FILE=coex.overlay
-      - EXTRA_CONF_FILE="ble.conf;openthread.conf;verbose.conf;log_rpc.conf;coex.conf"
+      - EXTRA_CONF_FILE="ble.conf;openthread.conf;log_rpc.conf;coex.conf"
     extra_configs:
       - CONFIG_NRF_RPC_UTILS_CRASH_GEN=y