remove obsolete devDependencies

Author: mlwilkerson

admin/package-lock.json

@@ -57,20 +57,14 @@
     "@wordpress/components": "wp-6.7",
     "@wordpress/compose": "wp-6.7",
     "@wordpress/data": "wp-6.7",
-    "@wordpress/e2e-test-utils": "wp-6.7",
-    "@wordpress/e2e-test-utils-playwright": "^1.31.0",
     "@wordpress/i18n": "wp-6.7",
     "@wordpress/icons": "wp-6.7",
     "@wordpress/jest-preset-default": "wp-6.7",
     "@wordpress/keyboard-shortcuts": "wp-6.7",
     "@wordpress/scripts": "wp-6.7",
     "decode-uri-component": "^0.4.1",
-    "dotenv": "^14.3.2",
-    "dotenv-expand": "^12.0.3",
     "eslint-config-react-app": "^7.0.1",
     "lodash": "^4.17.21",
-    "mysql2": "^3.9.9",
-    "php-serialize": "^5.1.3",
     "react": "18.3.1",
     "react-dom": "18.3.1",
     "redux-mock-store": "^1.5.4",