Soundflower-Ultraschall some changes

According to the developer, a restart isn't necessary so i removed the caveats.
Furthermore I added one more #{version} in the URL which I simply forgot.

Casks/soundflower-ultraschall.rb

@@ -2,13 +2,10 @@ class SoundflowerUltraschall < Cask
   version '1.0'
   sha256 '6e37689eb27db942189e18b970916c1d4576026cac9668fceed214201dc25149'
 
-  url "https://github.com/MariusE/Soundflower-Ultraschall-Edition/releases/download/1.0/Soundflower-#{version}.dmg"
+  url "https://github.com/MariusE/Soundflower-Ultraschall-Edition/releases/download/#{version}/Soundflower-#{version}.dmg"
   homepage 'https://github.com/MariusE/Soundflower-Ultraschall-Edition'
 
   install 'Soundflower.pkg', :allow_untrusted => true
   uninstall :pkgutil => 'com.cycling74.soundflower*',
             :files => '/Applications/Soundflower'
-  caveats do
-    reboot
-  end
 end