revert last commit, the forked children never call back into Go

Author: henderkes

frankenphp.c

@@ -1399,10 +1399,6 @@ static void *execute_script_cli(void *arg) {
   void *exit_status;
   bool eval = (bool)arg;
 
-#ifndef PHP_WIN32
-  pthread_atfork(NULL, NULL, frankenphp_fork_child);
-#endif
-
   /*
    * The SAPI name "cli" is hardcoded into too many programs... let's usurp it.
    */
@@ -1427,12 +1423,6 @@ static void *execute_script_cli(void *arg) {
   }
   zend_end_try();
 
-#ifndef PHP_WIN32
-  if (is_forked_child) {
-    _exit(EG(exit_status));
-  }
-#endif
-
   exit_status = (void *)(intptr_t)EG(exit_status);
 
   php_embed_shutdown();