BUG/MEDIUM: mworker: does not deinit anymore

Does not use the deinit() function during a reload, it's dangerous and
might be subject to double free, segfault and hazardous behavior if
it's called twice in the case of a execvp fail.
diff --git a/src/haproxy.c b/src/haproxy.c
index b90e254..00cc25b 100644
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -648,7 +648,6 @@
 		next_argv[next_argc++] = NULL;
 	}
 
-	deinit(); /* we don't want to leak FD there */
 	Warning("Reexecuting Master process\n");
 	execvp(next_argv[0], next_argv);