kernel: Remove the ksu_ prefix from the dynamic manager signature.

kernel/apk_sign.c

@@ -369,7 +369,7 @@ bool is_manager_apk(char *path)
     return check_v2_signature(path, false, NULL);
 }
 
-bool ksu_is_dynamic_manager_apk(char *path, int *signature_index)
+bool is_dynamic_manager_apk(char *path, int *signature_index)
 {
     return check_v2_signature(path, true, signature_index);
 }