sysbuild: flpr: remove nRF54L05 and nRF54L10 from the support list

Removed the nRF54L05 and the nRF54L10 board targets from the support
list for the FLPR core support Kconfig. The nrf54l15dk/nrf54l05/cpuflpr
and the nrf54l15dk/nrf54l10/cpuflpr board targets are not yet
defined.

Signed-off-by: Kamil Piszczek <Kamil.Piszczek@nordicsemi.no>

Author: kapi-no

sysbuild/Kconfig.flprcore

@@ -4,8 +4,7 @@
 
 config SUPPORT_FLPRCORE
 	bool
-	default y if (SOC_NRF54L05_CPUAPP || SOC_NRF54L10_CPUAPP || SOC_NRF54L15_CPUAPP || \
-		      SOC_NRF54H20_CPUAPP)
+	default y if (SOC_NRF54L15_CPUAPP || SOC_NRF54H20_CPUAPP)
 
 if SUPPORT_FLPRCORE