sesrun: remove unused g_sck and write-only g_pid

sesman/tools/sesrun.c

@@ -27,8 +27,6 @@
 #include "sesman.h"
 #include "tcp.h"
 
-int g_sck;
-int g_pid;
 struct config_sesman g_cfg; /* config.h */
 
 /******************************************************************************/
@@ -56,8 +54,6 @@ main(int argc, char **argv)
         return 1;
     }
 
-    g_pid = g_getpid();
-
     if (argc == 1)
     {
         g_printf("xrdp session starter v0.1\n");