drivers/syslog: syslog_initialize initialize dev/syslog too and call syslog to add the prefix and timestamp

include/nuttx/syslog/syslog.h

@@ -277,24 +277,6 @@ int syslog_flush(void);
 
 int nx_vsyslog(int priority, FAR const IPTR char *src, FAR va_list *ap);
 
-/****************************************************************************
- * Name: syslog_register
- *
- * Description:
- *   Register a simple character driver at /dev/syslog whose write() method
- *   will transfer data to the SYSLOG device.  This can be useful if, for
- *   example, you want to redirect the output of a program to the SYSLOG.
- *
- *   NOTE that unlike other syslog output, this data is unformatted raw
- *   byte output with no time-stamping or any other SYSLOG features
- *   supported.
- *
- ****************************************************************************/
-
-#ifdef CONFIG_SYSLOG_CHARDEV
-void syslog_register(void);
-#endif
-
 #undef EXTERN
 #ifdef __cplusplus
 }