[nrf toup][nrfconnect] Removed defaults for child images

Due to the sysbuild integration and child images deprecation
the default configuration for child images has been removed.

Author: kkasperczyk-no

config/nrfconnect/chip-module/Kconfig.hci_ipc.defaults

@@ -23,11 +23,6 @@ get_filename_component(ENERGY_MANAGEMENT_COMMON_DIR ${CHIP_ROOT}/examples/energy
 
 include(${CHIP_ROOT}/config/nrfconnect/app/check-nrfconnect-version.cmake)
 
-# Set Kconfig root files that will be processed as a first Kconfig for used child images.
-set(mcuboot_KCONFIG_ROOT ${CHIP_ROOT}/config/nrfconnect/chip-module/Kconfig.mcuboot.root)
-set(multiprotocol_rpmsg_KCONFIG_ROOT ${CHIP_ROOT}/config/nrfconnect/chip-module/Kconfig.multiprotocol_rpmsg.root)
-set(hci_rpmsg_KCONFIG_ROOT ${CHIP_ROOT}/config/nrfconnect/chip-module/Kconfig.hci_rpmsg.root)
-
 if(DEFINED CONF_FILE AND NOT CONF_FILE STREQUAL "prj.conf")
     set(PM_STATIC_YML_FILE ${CMAKE_CURRENT_SOURCE_DIR}/configuration/${BOARD}/pm_static_dfu.yml)
 endif()

config/nrfconnect/chip-module/Kconfig.hci_ipc.root

@@ -22,10 +22,6 @@ get_filename_component(ALL_CLUSTERS_COMMON_DIR ${CHIP_ROOT}/examples/all-cluster
 
 include(${CHIP_ROOT}/config/nrfconnect/app/check-nrfconnect-version.cmake)
 
-# Set Kconfig root files that will be processed as a first Kconfig for used child images.
-set(mcuboot_KCONFIG_ROOT ${CHIP_ROOT}/config/nrfconnect/chip-module/Kconfig.mcuboot.root)
-set(multiprotocol_rpmsg_KCONFIG_ROOT ${CHIP_ROOT}/config/nrfconnect/chip-module/Kconfig.multiprotocol_rpmsg.root)
-
 if(DEFINED CONF_FILE AND NOT CONF_FILE STREQUAL "prj.conf")
     set(PM_STATIC_YML_FILE ${CMAKE_CURRENT_SOURCE_DIR}/configuration/${BOARD}/pm_static_dfu.yml)
 endif()