remove checking of remote board

This is temporary change, to be checked
if really needed to check remote board.

Signed-off-by: Łukasz Stępnicki <[email protected]>

Author: lstnl

samples/boards/nordic/system_off/sysbuild.cmake

@@ -1,12 +1,6 @@
 # Copyright (c) 2024 Nordic Semiconductor ASA
 # SPDX-License-Identifier: Apache-2.0
 
-if("${SB_CONFIG_REMOTE_CORE_BOARD}" STREQUAL "")
-	message(FATAL_ERROR
-	"Target ${BOARD} not supported for this sample. "
-	"There is no remote board selected in Kconfig.sysbuild")
-endif()
-
 set(REMOTE_APP remote)
 
 ExternalZephyrProject_Add(