Remove active support, it does not seem to be used (#349)

Signed-off-by: Phil Dibowitz <phil@ipom.com>

Author: jaymzh

chef-zero.gemspec

@@ -13,10 +13,6 @@ Gem::Specification.new do |s|
 
   s.required_ruby_version = ">= 3.0"
 
-  # Note: 7.1.0 does not defaults its cache_format_version to 7.1 but 6.1 instead which gives deprecation warnings
-  # Remove the version constraint when we can upgrade to 7.1.1 post stable release of Activesupport 7.1
-  # Similar issue with 7.0 existed: https://github.com/rails/rails/pull/45293
-  s.add_dependency "activesupport", ">= 7", "< 8.1"
   s.add_dependency "mixlib-log", ">= 2.0", "< 4.0"
   s.add_dependency "hashie", ">= 2.0", "< 6.0"
   s.add_dependency "uuidtools", "~> 2.1"