Remove allowed_push_host

Author: bangseongbeom

urlpattern.gemspec

@@ -17,7 +17,6 @@ Gem::Specification.new do |spec|
   spec.homepage = "https://github.com/urlpattern/ruby-urlpattern"
   spec.license = "MIT"
   spec.required_ruby_version = ">= 3.2.0"
-  spec.metadata["allowed_push_host"] = "TODO: Set to your gem server 'https://example.com'"
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = "https://github.com/urlpattern/ruby-urlpattern"