remove net-smtp gem, not used and causing drama

Gemfile

@@ -10,7 +10,6 @@ gem 'sinatra-xsendfile',  require: 'sinatra/xsendfile'
 gem 'puma', '< 7',      require: nil
 gem 'sidekiq', '~> 7'
 gem 'mail'
-gem 'net-smtp'
 gem 'tilt'
 gem 'erubi'
 gem 'stripe' #, source: 'https://code.stripe.com/'

Gemfile.lock

@@ -445,7 +445,6 @@ DEPENDENCIES
   mock_redis
   monetize
   msgpack
-  net-smtp
   nokogiri
   paypal-recurring
   pg

environment.rb

@@ -128,14 +128,6 @@ Dir.glob('workers/*.rb').each {|w| require File.join(DIR_ROOT, "/#{w}") }
 DB.loggers << Logger.new(STDOUT) if ENV['RACK_ENV'] == 'development'
 
 Mail.defaults do
-  #options = { :address => "smtp.gmail.com",
-  # :port => 587,
-  # :domain => 'your.host.name',
-  # :user_name => '<username>',
-  # :password => '<password>',
-  # :authentication => 'plain',
-  # :enable_starttls_auto => true }
-
   options = {}
   delivery_method :sendmail, options
 end