Revert "[nrf noup] samples: sysbuild: hello_world: support PM on nRF53"

This reverts commit 470fcc9.

Author: tejlmand

samples/sysbuild/hello_world/sysbuild.cmake

@@ -11,17 +11,5 @@ ExternalZephyrProject_Add(
   BOARD ${SB_CONFIG_REMOTE_BOARD}
 )
 
-if(SB_CONFIG_SOC_SERIES_NRF53X)
-  set_property(GLOBAL APPEND PROPERTY PM_DOMAINS CPUNET)
-  set_property(GLOBAL APPEND PROPERTY PM_CPUNET_IMAGES remote)
-  set_property(GLOBAL PROPERTY DOMAIN_APP_CPUNET remote)
-  set(CPUNET_PM_DOMAIN_DYNAMIC_PARTITION remote CACHE INTERNAL "")
-else(SB_CONFIG_SOC_SERIES_NRF54LX)
-  set_property(GLOBAL APPEND PROPERTY PM_DOMAINS CPUFLPR)
-  set_property(GLOBAL APPEND PROPERTY PM_CPUFLPR_IMAGES remote)
-  set_property(GLOBAL PROPERTY DOMAIN_APP_CPUFLPR remote)
-  set(CPUFLPR_PM_DOMAIN_DYNAMIC_PARTITION remote CACHE INTERNAL "")
-endif()
-
 add_dependencies(${DEFAULT_IMAGE} remote)
 sysbuild_add_dependencies(FLASH ${DEFAULT_IMAGE} remote)