Remove wrong mention of the necessity of `@RequestScope` in security-jwt doc
Remove wrong mention of the necessity of `@RequestScope` in security-jwt doc

`@RequestScope` is not necessary because it's completely possible to
inject a request scope bean into a `@Singleton` bean (as the default for
classes annotated with `@Path`).

quarkusio/quarkus,quarkusio/quarkus,quarkusio/quarkus,quarkusio/quarkus,quarkusio/quarkus