def remove_seeds
      removings = self.locks.keys - self.seeds.keys
      removings.each do |name|
        say "Removing #{name} (#{self.locks[name].version})".red
        dirname = File.join(self.root_path, "Seeds", name)
        FileUtils.rm_rf(dirname)
      end
    end
def remove_seeds
      removings = self.locks.keys - self.seeds.keys
      removings.each do |name|
        say "Removing #{name} (#{self.locks[name].version})".red
        dirname = File.join(self.root_path, "Seeds", name)
        FileUtils.rm_rf(dirname)
      end
    end
Removes disused seeds.

 @!visibility private