No hardcode ksu tmp path

loader/src/common/daemon.cpp

@@ -8,7 +8,6 @@
 
 namespace zygiskd {
     static std::string TMP_PATH;
-    // TODO: use /sbin or /debug_ramdisk directly
     void Init(const char *path) {
         TMP_PATH = path;
     }

loader/src/injector/unmount.cpp

@@ -46,7 +46,7 @@ void revert_unmount_ksu() {
             && std::find(KSU_PARTITIONS.begin(), KSU_PARTITIONS.end(), info.target) != KSU_PARTITIONS.end()) {
             targets.emplace_back(info.target);
         }
-        // Unmount /debug_ramdisk
+        // Unmount temp dir
         if (info.type == "tmpfs" && info.source == KSU_OVERLAY_SOURCE) {
             targets.emplace_back(info.target);
         }