Remove the Bref recipe

We're moving away from Flex recipes as this is too unpractical to maintain.

See https://github.com/brefphp/bref/pull/1934

bref/symfony-bridge/0.1/manifest.json

@@ -1,8 +0,0 @@
-{
-    "copy-from-recipe": {
-        "serverless.yaml": "serverless.yml"
-    },
-    "gitignore": [
-        "/.serverless/"
-    ]
-}

bref/symfony-bridge/0.1/post-install.txt

@@ -1,4 +0,0 @@
-  * <fg=blue>Read</> the full documentation to properly configure your
-    Symfony application at <comment>https://bref.sh/docs/frameworks/symfony.html</>
-
-  * Bref documentation: <comment>https://bref.sh/docs/</>

bref/symfony-bridge/0.1/serverless.yaml

@@ -1,47 +0,0 @@
-# Read the documentation at https://www.serverless.com/framework/docs/providers/aws/guide/serverless.yml/
-service: symfony
-
-provider:
-    name: aws
-    # The AWS region in which to deploy (us-east-1 is the default)
-    region: us-east-1
-    # The stage of the application, e.g. dev, production, staging… ('dev' is the default)
-    stage: dev
-    runtime: provided.al2
-    environment:
-        # Symfony environment variables
-        APP_ENV: prod
-
-plugins:
-    - ./vendor/bref/bref
-
-functions:
-    # This function runs the Symfony website/API
-    web:
-        handler: public/index.php
-        timeout: 28 # in seconds (API Gateway has a timeout of 29 seconds)
-        layers:
-            - ${bref:layer.php-81-fpm}
-        events:
-            - httpApi: '*'
-    # This function let us run console commands in Lambda
-    console:
-        handler: bin/console
-        timeout: 120 # in seconds
-        layers:
-            - ${bref:layer.php-81} # PHP
-            - ${bref:layer.console} # The "console" layer
-
-package:
-    patterns:
-        # Excluded files and folders for deployment
-        - '!assets/**'
-        - '!node_modules/**'
-        - '!public/build/**'
-        - '!tests/**'
-        - '!var/**'
-        # If you want to include files and folders that are part of excluded folders,
-        # add them at the end
-        - 'var/cache/prod/**'
-        - 'public/build/entrypoints.json'
-        - 'public/build/manifest.json'