cloudapi: Drop bucket from composer config

This value is set in the worker config. In future it might also be
passed through the api to upload into target accounts, but it should
never be set in composer.

templates/composer.yml

@@ -259,8 +259,6 @@ objects:
       jwt_keys_urls = ["${RH_SSO_BASE_URL}/protocol/openid-connect/certs", "${MAS_SSO_BASE_URL}/protocol/openid-connect/certs"]
       jwt_acl_file = "${COMPOSER_CONFIG_DIR}/acl.yml"
       jwt_tenant_provider_fields = ["rh-org-id", "account_id"]
-      [koji.aws_config]
-      bucket = "${COMPOSER_CONFIG_BUCKET_NAME}"
       [worker]
       request_job_timeout = "20s"
       base_path = "/api/image-builder-worker/v1"
@@ -419,10 +417,6 @@ parameters:
     name: COMPOSER_CONFIG_DIR
     required: true
     value: "/etc/osbuild-composer"
-  - description: Bucket to store aws artifacts
-    name: COMPOSER_CONFIG_BUCKET_NAME
-    required: true
-    value: "imagebuilder.service.staging"
   - description: Allowed tenants based on org id
     name: ACL_ORG_ID_TENANTS
     value: "15842261|15877963|15885990|16057323"