(PE-42498) remove old bolt version specification

Author: davidmalloncares

Gemfile

@@ -38,7 +38,6 @@ group :development do
   gem "rubocop-factory_bot", '~> 2.27.1',        require: false
   gem "rubocop-capybara", '~> 2.22.1',           require: false
   gem "rb-readline", '= 0.5.5',                  require: false, platforms: [:mswin, :mingw, :x64_mingw]
-  gem "bolt", '>= 5.0.0',                        require: false
   gem "github_changelog_generator", '1.16.4',    require: false
   gem "octokit", '4.21.0',                       require: false
   gem "orchestrator_client", '< 0.7.1',          require: false