remove_source

# File lib/rubygems/commands/sources_command.rb, line 177
  def remove_source source_uri # :nodoc:
    unless Gem.sources.include? source_uri then
      say "source #{source_uri} not present in cache"
    else
      Gem.sources.delete source_uri
      Gem.configuration.write

      say "#{source_uri} removed from sources"
    end
  end