Put `rb_fork` back into process.c

Now, calling `rb_fork` directly breaks the PID cache and the timer
thread, so must use `rb_fork_ruby` or similar instead.

1 files changed, 0 insertions, 1 deletions

diff --git a/ruby.c b/ruby.c
index 6e0e72bf55..ae974bfdec 100644
--- a/ruby.c
+++ b/ruby.c
@@ -54,7 +54,6 @@
 #include "internal/missing.h"
 #include "internal/object.h"
 #include "internal/parse.h"
-#include "internal/process.h"
 #include "internal/variable.h"
 #include "ruby/encoding.h"
 #include "ruby/thread.h"