Fixed event movement checks ignoring ledges if they're not on the top layer, fixed Sketch not working, fixed a couple of other minor bugs, Rubocop-suggested tweaks

Data/Scripts/008_Audio/001_Audio.rb

@@ -38,9 +38,6 @@ def oggfiletime(file)
   fgetdw = proc { |file|
     (file.eof? ? 0 : (file.read(4).unpack("V")[0] || 0))
   }
-  fgetw = proc { |file|
-    (file.eof? ? 0 : (file.read(2).unpack("v")[0] || 0))
-  }
   pages = []
   page = nil
   loop do