Remove Process initializer/shutdown function from main.c.

See: https://bugs.torproject.org/28847

src/app/main/main.c

@@ -74,7 +74,6 @@
 #include "lib/net/resolve.h"
 
 #include "lib/process/waitpid.h"
-#include "lib/process/process.h"
 
 #include "lib/meminfo/meminfo.h"
 #include "lib/osinfo/uname.h"
@@ -560,9 +559,6 @@ tor_init(int argc, char *argv[])
   addressmap_init(); /* Init the client dns cache. Do it always, since it's
                       * cheap. */
 
-  /* Initialize Process subsystem. */
-  process_init();
-
   /* Initialize the HS subsystem. */
   hs_init();
 
@@ -790,7 +786,6 @@ tor_free_all(int postfork)
   circuitmux_ewma_free_all();
   accounting_free_all();
   protover_summary_cache_free_all();
-  process_free_all();
 
   if (!postfork) {
     config_free_all();