Update install_drupal.sh to fix the clean url issue

Update install_drupal.sh to fix the clean url issue

Author: Anand-GitH

scripts/install_drupal.sh

@@ -26,7 +26,7 @@ if [[ $use_shared_storage == "true" ]]; then
   rm -rf ${drupal_shared_working_dir}/drupal-*
   cp ${drupal_shared_working_dir}/sites/default/default.settings.php sites/default/settings.php
 else
-  tar zxvf tar.gz --directory
+  tar zxvf tar.gz
   rm -rf html/ tar.gz
   mv drupal-* html
   cd html