Update composer.json

Remove ext-redis as suggested

Co-Authored-By: mattsches <mattsches@gmail.com>

composer.json

@@ -12,7 +12,6 @@
         "ext-json": "*",
         "ext-mbstring": "*",
         "ext-openssl": "*",
-        "ext-redis": "*",
         "beyondcode/laravel-self-diagnosis": "^1.0.2",
         "bitverse/identicon": "^1.1",
         "doctrine/dbal": "^2.7",