Replaced bin/mkdirs w/ mkdir -p -m 755, which is POSIX (#2018)

bin/mkdirs

@@ -1,33 +0,0 @@
-#! /bin/sh
-#
-# Copyright by The HDF Group.
-# Copyright by the Board of Trustees of the University of Illinois.
-# All rights reserved.
-#
-# This file is part of HDF5.  The full HDF5 copyright notice, including
-# terms governing use, modification, and redistribution, is contained in
-# the COPYING file, which can be found at the root of the source code
-# distribution tree, or in https://www.hdfgroup.org/licenses.
-# If you do not have access to either file, you may request a copy from
-# help@hdfgroup.org.
-#
-# This is a small program which will create directories n-levels deep.
-# You just call it with something like:
-#
-#       mkdirs /tmp/foo/bar/baz
-#
-# and it will create all the directories from /tmp down to baz which
-# don't exist.
-#
-chmodprog="${CHMODPROG-chmod}"
-mkdirprog="${MKDIRPROG-mkdir}"
-
-make_dir () {
-  if test ! -d $1; then
-    make_dir `echo $1 | sed -e 's#/[^/]*$##'`
-    $mkdirprog $1
-    $chmodprog 755 $1
-  fi
-}
-
-make_dir `echo $1 | sed -e 's#/$##'`