kernel, ksud, manager: New supercalls implementations

* This commit squashes new supercall impl:
3138651a38..562a3b9be7

Thanks to these people below:

Official KernelSU:
Co-authored-by: Wang Han <416810799@qq.com>
Co-authored-by: weishu <twsxtd@gmail.com>
Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>

xxKSU maintainer:
Co-authored-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
MMRL maintainer:
Co-authored-by: Der_Googler <54764558+dergoogler@users.noreply.github.com>
KSUN maintainer:
Co-authored-by: Rifat Azad <33044977+rifsxd@users.noreply.github.com>
KOWSU maintainer:
Co-authored-by: KOWX712 <leecc0503@gmail.com>

kernel/Kconfig

@@ -15,15 +15,6 @@ config KSU_DEBUG
 	help
 	  Enable KernelSU debug mode.
 
-config KSU_THRONE_TRACKER_LEGACY
-	bool "Use legacy throne tracker (packages.list scanning)"
-	depends on KSU
-	default n
-	help
-	  Use legacy throne tracker that scans packages.list for app UIDs.
-	  This is kept for Ultra-Legacy Linux 4.4-3.X kernels which are prone to deadlocks.
-	  Enable this if default scanning deadlocks/crashes on you.
-
 config KSU_ALLOWLIST_WORKAROUND
 	bool "KernelSU Session init keyring workaround"
 	depends on KSU
@@ -32,14 +23,6 @@ config KSU_ALLOWLIST_WORKAROUND
 	  Enable session keyring init workaround for problematic devices.
 	  Useful for situations where the SU allowlist is not kept after a reboot.
 
-config KSU_CMDLINE
-	bool "Enable KernelSU cmdline"
-	depends on KSU && KSU != m
-	default n
-	help
-	  Enable a cmdline called kernelsu.enabled
-	  Value 1 means enabled, value 0 means disabled.
-
 config KPM
 	bool "Enable SukiSU KPM"
 	depends on KSU && 64BIT