Revert "Update README Installation instructions."

This reverts commit 96b8d44.

Author: TravisCarden

README.md

@@ -30,10 +30,6 @@ ddev config --project-type=drupal --php-version=8.3 --docroot=web
 # Create the Drupal project.
 ddev composer create drupal/recommended-project:^11.x-dev --no-install
 
-# Update project settings based on detection and project-type overrides.
-ddev config --update
-ddev restart
-
 # Install the add-on.
 ddev get TravisCarden/ddev-drupal-xb-dev