dev-ruby/facter: remove unused patch

Closes: https://github.com/gentoo/gentoo/pull/7046
Signed-off-by: Matthew Thode <prometheanfire@gentoo.org>

dev-ruby/facter/files/is-integer_fact-1624_3.6.5.patch

@@ -1,58 +0,0 @@
-From 9cb17d9fdffabab3693f6548f6bfc54ed2251325 Mon Sep 17 00:00:00 2001
-From: Maggie Dreyer <maggie@puppet.com>
-Date: Tue, 2 May 2017 10:21:06 -0700
-Subject: [PATCH] (FACT-1624) Use `is_integer` instead of `is_fixednum` and
- `is_bignum`
-
-Ruby 2.4 unified Fixnum and Bignum into Integer. We updated the
-Leatherman API to match this. This commit updates Facter to use the new
-API.
----
- lib/src/ruby/module.cc     | 2 +-
- lib/src/ruby/ruby_value.cc | 6 +++---
- 2 files changed, 4 insertions(+), 4 deletions(-)
-
-diff --git a/lib/src/ruby/module.cc b/lib/src/ruby/module.cc
-index 2d7223e0f..b8aeeed09 100644
---- a/lib/src/ruby/module.cc
-+++ b/lib/src/ruby/module.cc
-@@ -866,7 +866,7 @@ namespace facter { namespace ruby {
-             // Unfortunately we have to call to_sym rather than using ID2SYM, which is Ruby version dependent
-             uint32_t timeout = 0;
-             volatile VALUE timeout_option = ruby.rb_hash_lookup(argv[1], ruby.to_symbol("timeout"));
--            if (ruby.is_fixednum(timeout_option)) {
-+            if (ruby.is_integer(timeout_option)) {
-                 timeout = ruby.num2size_t(timeout_option);
-             }
- 
-diff --git a/lib/src/ruby/ruby_value.cc b/lib/src/ruby/ruby_value.cc
-index d8ea20ce6..645472a3f 100644
---- a/lib/src/ruby/ruby_value.cc
-+++ b/lib/src/ruby/ruby_value.cc
-@@ -86,7 +86,7 @@ namespace facter { namespace ruby {
-             json.SetString(str, size, allocator);
-             return;
-         }
--        if (ruby.is_fixednum(value) || ruby.is_bignum(value)) {
-+        if (ruby.is_integer(value)) {
-             json.SetInt64(ruby.rb_num2ll(value));
-             return;
-         }
-@@ -155,7 +155,7 @@ namespace facter { namespace ruby {
-             }
-             return;
-         }
--        if (ruby.is_fixednum(value) || ruby.is_bignum(value)) {
-+        if (ruby.is_integer(value)) {
-             os << ruby.rb_num2ll(value);
-             return;
-         }
-@@ -241,7 +241,7 @@ namespace facter { namespace ruby {
-             emitter << str;
-             return;
-         }
--        if (ruby.is_fixednum(value) || ruby.is_bignum(value)) {
-+        if (ruby.is_integer(value)) {
-             emitter << ruby.rb_num2ll(value);
-             return;
-         }