Revert "Opt-in to requiring MFA to publish this gem"

This reverts commit d32e3d0.

Author: ugexe

minfraud.gemspec

@@ -17,10 +17,6 @@ Gem::Specification.new do |spec|
 
   spec.required_ruby_version = '>= 2.5.0'
 
-  spec.metadata = {
-    'rubygems_mfa_required' => 'true',
-  }
-
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }