[ruby/pathname] Remove taint/untaint methods because they should be r…

…emoved since Ruby 3.2 released.

  Fixes ruby/pathname#28

ruby/pathname@c52fd3a835

ext/pathname/pathname.c

@@ -130,32 +130,6 @@ path_freeze(VALUE self)
     return self;
 }
 
-/*
- * call-seq:
- *   pathname.taint -> obj
- *
- * Returns pathname.  This method is deprecated and will be removed in Ruby 3.2.
- */
-static VALUE
-path_taint(VALUE self)
-{
-    rb_warn("Pathname#taint is deprecated and will be removed in Ruby 3.2.");
-    return self;
-}
-
-/*
- * call-seq:
- *   pathname.untaint -> obj
- *
- * Returns pathname.  This method is deprecated and will be removed in Ruby 3.2.
- */
-static VALUE
-path_untaint(VALUE self)
-{
-    rb_warn("Pathname#untaint is deprecated and will be removed in Ruby 3.2.");
-    return self;
-}
-
 /*
  *  Compare this pathname with +other+.  The comparison is string-based.
  *  Be aware that two different paths (<tt>foo.txt</tt> and <tt>./foo.txt</tt>)
@@ -1537,8 +1511,6 @@ Init_pathname(void)
     rb_cPathname = rb_define_class("Pathname", rb_cObject);
     rb_define_method(rb_cPathname, "initialize", path_initialize, 1);
     rb_define_method(rb_cPathname, "freeze", path_freeze, 0);
-    rb_define_method(rb_cPathname, "taint", path_taint, 0);
-    rb_define_method(rb_cPathname, "untaint", path_untaint, 0);
     rb_define_method(rb_cPathname, "==", path_eq, 1);
     rb_define_method(rb_cPathname, "===", path_eq, 1);
     rb_define_method(rb_cPathname, "eql?", path_eq, 1);