[Fix #396] Remove the osx trash function

The trash program found at http://hasseg.org/trash is a superior
implementation.

modules/osx/README.md

@@ -20,7 +20,6 @@ Functions
   - `pfd` prints the current _Finder_ directory.
   - `pfs` prints the current _Finder_ selection.
   - `tab` creates a new tab (works in both _Terminal_ and [_iTerm_][3]).
-  - `trash` moves files and folders to _Trash_.
 
 Authors
 -------

modules/osx/functions/trash

@@ -1,27 +0,0 @@
-#
-# Moves directories and files to Trash.
-#
-# Authors:
-#   Sorin Ionescu <sorin.ionescu@gmail.com>
-#
-
-print -N "${@:a}" | xargs -0 osascript -e '
-  on run theFilePaths
-    tell application "Finder"
-      set thePOSIXFiles to {}
-      repeat with aFilePath in theFilePaths
-        set aPOSIXFile to aFilePath as POSIX file
-        if exists aPOSIXFile
-          set end of thePOSIXFiles to aPOSIXFile
-        end if
-      end repeat
-      move every item of thePOSIXFiles to trash
-    end tell
-  end run
-' &>/dev/null
-
-if (( $? != 0)); then
-  print "$0: failed to move one or more items" >&2
-  return 1
-fi
-