Remove ImageAPI Optimize WebP patch

Problem/Motivation

ImageAPI Optimize WebP issue was fixed in 2.x, so the patch no longer applies.

https://www.drupal.org/project/imageapi_optimize_webp/issues/3424324 🐛 Warning: Undefined array key "extension" in Drupal\imageapi_optimize_webp\Controller\ImageStyleDownloadController->deliver() line 43 Fixed

Proposed resolution

Remove patch from composer.json.