Clarify documentation on using Spock 1.0

Closes gh-14612

Author: wilkinsona

spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc

@@ -6128,19 +6128,10 @@ NOTE: Spring Boot provides dependency management for Spock 1.0. If you wish to u
 `spock.version` property>> in your `build.gradle` or `pom.xml` file.
 
 When using Spock 1.1, the annotations <<boot-features-testing-spring-boot-applications,
-described above>> can only be used and you can annotate your `Specification` with
-`@SpringBootTest` to suit the needs of your tests.
-
-When using Spock 1.0, `@SpringBootTest` will not work for a web project. You need to use
-`@SpringApplicationConfiguration` and `@WebIntegrationTest(randomPort = true)`. Being
-unable to use `@SpringBootTest` means that you also lose the auto-configured
-`TestRestTemplate` bean. You can create an equivalent bean yourself using the following
-configuration:
-
-[source,java,indent=0]
-----
-include::{code-examples}/test/spock/SpockTestRestTemplateExample.java[tag=test-rest-template-configuration]
-----
+described above>> can be used and you can annotate your `Specification` with
+`@SpringBootTest` to suit the needs of your tests. When using Spock 1.0, `@SpringBootTest`
+will not work for a web project. If you wish to use Spock to test a web project, you
+should use Spock 1.1 by overriding the `spock.version` property as described above.