build(deps): remove bundler from dev dependencies

Author: santiagorodriguez96

cose.gemspec

@@ -36,7 +36,6 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "appraisal", "~> 2.2.0"
   spec.add_development_dependency "base64", "~> 0.2"
-  spec.add_development_dependency "bundler", ">= 1.17", "< 3"
   spec.add_development_dependency "byebug", "~> 11.0"
   spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rspec", "~> 3.8"