config: Disable DEBUG_LIST

The hardening we want is already part of `LIST_HARDENED`.

Fixes: https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/issues/26

arch/x86/configs/nitrous_defconfig

@@ -5453,6 +5453,7 @@ CONFIG_INTEGRITY_MACHINE_KEYRING=y
 CONFIG_DEFAULT_SECURITY_DAC=y
 CONFIG_LSM="landlock,lockdown,yama,integrity,bpf"
 CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
+CONFIG_LIST_HARDENED=y
 CONFIG_CRYPTO_USER=m
 CONFIG_CRYPTO_PCRYPT=m
 CONFIG_CRYPTO_TEST=m
@@ -5565,7 +5566,6 @@ CONFIG_KFENCE_DEFERRABLE=y
 CONFIG_DEBUG_SHIRQ=y
 CONFIG_HARDLOCKUP_DETECTOR=y
 CONFIG_SCHEDSTATS=y
-CONFIG_DEBUG_LIST=y
 CONFIG_RCU_CPU_STALL_TIMEOUT=60
 # CONFIG_RCU_TRACE is not set
 CONFIG_BOOTTIME_TRACING=y