remove DM_DATA_DIR, no need to create this directory

sbin/dm_install_support.sh

@@ -22,7 +22,6 @@ if [ -z "${DM_ROOT_DIR}" ]; then
     DM_ROOT_DIR=$MY_DIR/..
 fi
 DM_SUPPORT_DIR=$DM_ROOT_DIR/../support
-#DM_DATA_DIR=$DM_ROOT_DIR/../data
 
 execute() {
     echo "Executing: $@"
@@ -39,10 +38,4 @@ execute svn update
 execute $DM_SUPPORT_DIR/bin/clean_support_all.sh
 execute $DM_SUPPORT_DIR/bin/install_support_${supportType}.sh
 
-#if [ ! -d $DM_DATA_DIR ]; then
-#    echo "Creating data directory"
-#    mkdir -p "$DM_DATA_DIR"
-#fi
-
-