Remove leftover debug statements from fileserver (#30)

jennet/fileserver.pony

@@ -1,9 +1,7 @@
 use "files"
 use "http_server"
 use "valbytes"
-use "debug"
 
-use @pony_os_errno[I32]()
 
 class _FileServer is RequestHandler
   let _filepath: FilePath
@@ -50,33 +48,19 @@ class _DirServer is RequestHandler
 
 primitive _ReadFile
   """
-  Read a whole file into an `Array[U8] iso^` doing multiple calls to read in a loop.
+  Read a whole file into a `ByteArrays` instance doing multiple calls to read in a loop.
 
   This is not optimally friendly to the whole runtime as it is hogging a scheduler thread doing blocking system calls.
   """
   fun apply(path: FilePath): ByteArrays ? =>
-    Debug("Reading file " + path.path + " ...")
     with file = OpenFile(path) as File do
-      file.clear_errno()
       let file_size = file.size()
-
       if file_size == -1 then
-        let err_str = match file.errno()
-        | FileError => "ERROR"
-        | FilePermissionDenied => "Permission denied"
-        | FileBadFileNumber => "Bad file number"
-        | FileEOF => "EOF"
-        | FileOK => "OK"
-        | FileExists => "EXISTS"
-        end
-        Debug("ERROR: " + @pony_os_errno().string() + " " + err_str)
         error
       end
-      Debug("file_size == " + if file_size == -1 then "-1" else file_size.string() end)
       var bs = ByteArrays
       var bytes_read = USize(0)
       while bytes_read < file_size do
-        Debug("Reading " + (file_size - bytes_read).string() + " bytes from " + path.path)
         let data = file.read(file_size - bytes_read)
         bytes_read = bytes_read + data.size()
         bs = bs + consume data