samples: smp_transfer: don't reserve app/radio shared memory from app

Don't configure access to cpuapp/cpurad shared memory from the cpuapp
side, as the shared access is configured by the cpurad side.

Signed-off-by: Jonathan Nilsen <[email protected]>

Author: jonathannilsen

samples/suit/smp_transfer/boards/nrf54h20dk_nrf54h20_cpuapp_common.dtsi

@@ -35,10 +35,6 @@ ipc0: &cpuapp_cpurad_ipc {
 	status = "okay";
 };
 
-&cpuapp_cpurad_ram0x_region {
-	status = "okay";
-};
-
 &cpurad_bellboard {
 	status = "okay";
 };