removed old debug code

src/SDK_Debug.h

@@ -102,54 +102,4 @@ extern "C" {
 } // extern "C"
 #endif
 
-#endif // _SDK_DEBUG_H_
-
-
-/*
-void dwr(int level, const char *fmt, ... )
-{
-#if defined(SDK_DEBUG)
-  if(level > DEBUG_LEVEL)
-      return;
-  int saveerr;
-  saveerr = errno;
-  va_list ap;
-  va_start(ap, fmt);
-  char timestring[20];
-  time_t timestamp;
-  timestamp = time(NULL);
-  strftime(timestring, sizeof(timestring), "%H:%M:%S", localtime(&timestamp));
-#if defined(__ANDROID__)
-  pid_t tid = gettid();
-#elif defined(__linux__)
-  pid_t tid = 5;//syscall(SYS_gettid);
-#elif defined(__APPLE__)
-  pid_t tid = pthread_mach_thread_np(pthread_self());
-#endif
-  #if defined(SDK_DEBUG_LOG_TO_FILE)
-    if(!debug_logfile) { // Try to get logfile from env
-      debug_logfile = getenv("ZT_SDK_LOGFILE");
-    }
-    if(debug_logfile) {
-      FILE *file = fopen(debug_logfile,"a");
-      fprintf(file, "%s [tid=%7d] ", timestring, tid);
-      vfprintf(file, fmt, ap);
-      fclose(file);
-      va_end(ap);
-    }
-  #endif
-  va_start(ap, fmt);
-  fprintf(stderr, "%s [tid=%7d] ", timestring, tid);
-  vfprintf(stderr, fmt, ap);
-
-// Outputs to Android debug console
-#if defined(__ANDROID__)
-  __android_log_vprint(ANDROID_LOG_VERBOSE, "ZT-JNI", fmt, ap);
-#endif
-
-  fflush(stderr);
-  errno = saveerr;
-  va_end(ap);
-#endif // _SDK_DEBUG
-}
-*/
+#endif // _SDK_DEBUG_H_