Revert renaming symbols in KernelSU driver

- In order to reduce the extra patch code and increase the rate of hunk succeed, we do not rename the symbols in KernelSU drvier but instead do it all in kernel/kallsym.c

- Make susfs_starts_with() global as it maybe useful in future

Co-authored-by: simonpunk <simonpunk2016@gmail.com>

kernel/selinux/selinux.h

@@ -8,17 +8,17 @@
 #define KSU_COMPAT_USE_SELINUX_STATE
 #endif
 
-void ksu_setup_selinux(const char *);
+void setup_selinux(const char *);
 
-void ksu_setenforce(bool);
+void setenforce(bool);
 
-bool ksu_getenforce(void);
+bool getenforce(void);
 
-bool ksu_is_ksu_domain();
+bool is_ksu_domain();
 
-bool ksu_is_zygote(void *cred);
+bool is_zygote(void *cred);
 
-void ksu_apply_kernelsu_rules();
+void apply_kernelsu_rules();
 
 #ifdef CONFIG_KSU_SUSFS_SUS_MOUNT
 bool susfs_is_sid_equal(void *sec, u32 sid2);