Remove gpdircheck utility

This is not used or documented anywhere.
Authored-by: NChris Hajas <chajas@pivotal.io>

gpMgmt/bin/lib/gpdircheck

-#!/usr/bin/env bash
-# -*- mode:sh -*-
-# 
-# Usage:
-#   gpdircheck [-E] path ...
-#       -E   check if directory is empty
-#
-# Tests that the arguments:
-#   - exist in the filesystem
-#   - are directories
-#   - current user has read/write permission
-#
-# When -E is specified we will check that the next directory does NOT exist
-#
-# Standard System error messages can be examined with:
-#   perl -le 'print $!+0, "\t", $!++ for 0..127'
-#
-
-# Scan through directories and perfom the checks on each in turn.
-OPTION=0;
-for i in "$@"
-do
-  # Handle options
-  if [ "${i:0:1}" == "-" ]; then 
-    # for any option we expect a directory to follow, so if we already
-    # have an option set but not yet cleared it is an error.
-	  if [ $OPTION -ne 0 ]; then 
-		  echo "Usage: gpdircheck [-E] ..." 1>&2; exit 1;
-	  fi;
-      if [ "$i" == "-E" ]; then 
-		  OPTION=1;
-	  else
-		  echo "Usage: gpdircheck [-E] ..." 1>&2; exit 1;
-	  fi;
-
-  # -E will allow non-existent directories, it is assumed that the
-  # parent directory is allow being checked without the -E option.
-  elif [ $OPTION -eq 1 ]; then
-	  if [ ! -e "$i" ]; then OPTION=0;            # Good result
-	  else echo "$i : File exists" 1>&2; exit 17;
-	  fi
-  elif [ ! -e "$i" ]; then echo "$i : No such file or directory" 1>&2; exit 2;
-  elif [ ! -d "$i" ]; then echo "$i : Not a directory" 1>&2; exit 20;
-  elif [ ! -r "$i" ]; then echo "$i : No read permissions" 1>&2; exit 13;
-  elif [ ! -w "$i" ]; then echo "$i : No write permissions" 1>&2; exit 13;
-
-# We no longer check for empty directories, instead we error when -E
-# points to a directory that already exists.
-
-#  elif [ $OPTION -eq 1 ]; then
-#    if [ `ls "$i" | wc -l` -ne 0 ]; then 
-#       echo "$i : Directory not empty" 1>&2; exit 66;
-#    fi;
-	OPTION=0;
-  fi;
-done;
-
-# If we had a -E without a following directory then error.
-if [ $OPTION -ne 0 ]; then
-    echo "Usage: gpdircheck [-E] ..." 1>&2; 
-    exit 1;
-fi;
-
-exit 0;