Cleanup Regexp codes

src/init.c

@@ -22,7 +22,6 @@ void mrb_init_numeric(mrb_state*);
 void mrb_init_range(mrb_state*);
 void mrb_init_struct(mrb_state*);
 void mrb_init_gc(mrb_state*);
-void mrb_init_regexp(mrb_state*);
 void mrb_init_print(mrb_state*);
 void mrb_init_math(mrb_state*);
 void mrb_init_mrblib(mrb_state*);
@@ -53,7 +52,6 @@ mrb_init_core(mrb_state *mrb)
   mrb_init_struct(mrb); DONE;
 #endif
   mrb_init_gc(mrb); DONE;
-  mrb_init_regexp(mrb); DONE;
 #ifdef ENABLE_STDIO
   mrb_init_print(mrb); DONE;
 #endif

src/re.c

@@ -1,42 +0,0 @@
-/*
-** re.c - Regexp class
-**
-** See Copyright Notice in mruby.h
-*/
-
-#include "mruby.h"
-#include <string.h>
-#include "mruby/string.h"
-#include "re.h"
-#include "mruby/array.h"
-#include "mruby/class.h"
-#include "error.h"
-
-/*
- *  Document-class: RegexpError
- *
- *  Raised when given an invalid regexp expression.
- *
- *     Regexp.new("?")
- *
- *  <em>raises the exception:</em>
- *
- *     RegexpError: target of repeat operator is not specified: /?/
- */
-
-/*
- *  Document-class: Regexp
- *
- *  A <code>Regexp</code> holds a regular expression, used to match a pattern
- *  against strings. Regexps are created using the <code>/.../</code> and
- *  <code>%r{...}</code> literals, and by the <code>Regexp::new</code>
- *  constructor.
- *
- *  :include: doc/re.rdoc
- */
-
-void
-mrb_init_regexp(mrb_state *mrb)
-{
-  //mrb_define_class(mrb, REGEXP_CLASS, mrb->object_class);
-}