```ruby

# Standard libraries
require 'socket'
require 'tempfile'
require 'yaml'
require 'time'
require 'etc'
require 'uri'
require 'stringio'

# Gem conditional loader
require 'puma/gems'
require 'thread'

# Ruby Puma
require 'puma/const'
require 'puma/server'
require 'puma/utils'
```

Remove require of deleted file
user
```ruby

# Standard libraries
require 'socket'
require 'tempfile'
require 'yaml'
require 'time'
require 'etc'
require 'uri'
require 'stringio'

require 'thread'

# Ruby Puma
require 'puma/const'
require 'puma/server'
require 'puma/utils'
```
assistant