refactor: remove /graphql/skywalking and replace /graphql/spp with /graphql

Author: BFergerson

src/main/resources/graphql/graphql.config.yml

@@ -2,7 +2,7 @@ schema: schema.json
 extensions:
  endpoints:
  Default GraphQL Endpoint:
- url: http://localhost:12800/graphql/spp
+ url: http://localhost:12800/graphql
  headers:
  user-agent: JS GraphQL
  introspect: false