Remove unnecessary kconv dependency for Ruby 3.4 compatibility

- Remove require 'kconv' from winrm_base.rb
- kconv was not actually used in the codebase and is not available as a standalone gem

Signed-off-by: Sachin <sachin.jain@chef.io>

Author: Sachin

Gemfile

@@ -15,8 +15,6 @@ else
   gem "knife"
 end
 
-# gem "kconv" # Required for Ruby 3.4+ compatibility
-
 group :test do
   gem "rspec", "~> 3.0"
   gem "rake"

knife-windows.gemspec

@@ -16,8 +16,6 @@ Gem::Specification.new do |s|
   s.add_dependency "chef", ">= 18.2"
   s.add_dependency "chef-winrm", "~> 2.3"
   s.add_dependency "chef-winrm-elevated", "~> 1.2"
-  # this needs to be uncommented when we release the gem
-  s.add_dependency "kconv" # Required for Ruby 3.4+ compatibility
 
   s.add_development_dependency "pry"
 

lib/chef/knife/helpers/winrm_base.rb

@@ -33,7 +33,6 @@ def self.included(includer)
 
           deps do
             require "chef/encrypted_data_bag_item"
-            require "kconv"
             require "readline"
             require "chef/json_compat"
           end