rubyPackages.iconv: remove patch for v1.1.0

  };

  iconv = attrs: {

    dontBuild = false;

    buildFlags = lib.optionals stdenv.hostPlatform.isDarwin [

      "--with-iconv-dir=${lib.getLib libiconv}"

      "--with-iconv-include=${lib.getDev libiconv}/include"

    ];

    patches = [

      # Fix incompatible function pointer conversion errors with clang 16

      ./iconv-fix-incompatible-function-pointer-conversions.patch

    ];

  };

  idn-ruby = attrs: {

diff --git a/ext/iconv/iconv.c b/ext/iconv/iconv.c

index 2801049..77fae7e 100644

--- a/ext/iconv/iconv.c

+++ b/ext/iconv/iconv.c

@@ -188,7 +188,7 @@ static VALUE iconv_convert _((iconv_t cd, VALUE str, long start, long length, in

 static VALUE iconv_s_allocate _((VALUE klass));

 static VALUE iconv_initialize _((int argc, VALUE *argv, VALUE self));

 static VALUE iconv_s_open _((int argc, VALUE *argv, VALUE self));

-static VALUE iconv_s_convert _((struct iconv_env_t* env));

+static VALUE iconv_s_convert _((VALUE env));

 static VALUE iconv_s_iconv _((int argc, VALUE *argv, VALUE self));

 static VALUE iconv_init_state _((VALUE cd));

 static VALUE iconv_finish _((VALUE self));

@@ -204,7 +204,7 @@ static VALUE charset_map;

  * Returns the map from canonical name to system dependent name.

  */

 static VALUE

-charset_map_get(void)

+charset_map_get(VALUE klass)

 {

     return charset_map;

 }

@@ -642,7 +642,7 @@ iconv_s_allocate(VALUE klass)

 }

 static VALUE

-get_iconv_opt_i(VALUE i, VALUE arg)

+get_iconv_opt_i(RB_BLOCK_CALL_FUNC_ARGLIST(i, arg))

 {

     VALUE name;

 #if defined ICONV_SET_TRANSLITERATE || defined ICONV_SET_DISCARD_ILSEQ

@@ -784,8 +784,9 @@ iconv_s_open(int argc, VALUE *argv, VALUE self)

 }

 static VALUE

-iconv_s_convert(struct iconv_env_t* env)

+iconv_s_convert(VALUE env_value)

 {

+    struct iconv_env_t* env = (struct iconv_env_t*)env_value;

     VALUE last = 0;

     for (; env->argc > 0; --env->argc, ++env->argv) {

@@ -906,7 +907,7 @@ list_iconv(unsigned int namescount, const char *const *names, void *data)

 #if defined(HAVE_ICONVLIST) || defined(HAVE___ICONV_FREE_LIST)

 static VALUE

-iconv_s_list(void)

+iconv_s_list(VALUE klass)

 {

 #ifdef HAVE_ICONVLIST

     int state;