chickernel_defconfig: remove rcu_nocbs from cmdline

* There is no reason to include rcu_nocbs in CONFIG_CMDLINE since it will be overwritten by the kernel anyway

>>>
[0.000000] Kernel command line: <other entries> rcu_nocbs=all <other entries> rcu_nocbs=0-7
<<<

Signed-off-by: chickendrop89 <chickendrop89@gmail.com>

arch/arm64/configs/chickernel_defconfig

@@ -94,7 +94,7 @@ CONFIG_SETEND_EMULATION=y
 CONFIG_ARM64_MPAM=y
 CONFIG_RANDOMIZE_BASE=y
 # CONFIG_RANDOMIZE_MODULE_REGION_FULL is not set
-CONFIG_CMDLINE="stack_depot_disable=on kasan.stacktrace=off kvm-arm.mode=protected cgroup_disable=pressure rcu_nocbs=all"
+CONFIG_CMDLINE="stack_depot_disable=on kasan.stacktrace=off kvm-arm.mode=protected cgroup_disable=pressure"
 CONFIG_CMDLINE_EXTEND=y
 # CONFIG_DMI is not set
 CONFIG_HIBERNATION=y