Remove code snippet

Author: hpoettker

spring-boot-project/spring-boot-docs/src/docs/asciidoc/features/sql.adoc

@@ -331,16 +331,9 @@ H2 Console uses frames and, as it's intended for development only, does not impl
 
 More information on {spring-security-docs}#csrf[CSRF] and the header {spring-security-docs}#headers-frame-options[X-Frame-Options] can be found in the Spring Security Reference Guide.
 
-In simple setups, a `SecurityFilterChain` like the following can be used:
+WARNING: The H2 console is only intended for use during development. For production websites, disabling CSRF protection or allowing frames may create severe security risks.
 
-[source,java,indent=0,subs="verbatim"]
-----
-include::{docs-java}/features/sql/h2webconsole/springsecurity/DevProfileSecurityConfiguration.java[]
-----
-
-WARNING: The H2 console is only intended for use during development. In production, disabling CSRF protection or allowing frames for a website may create severe security risks.
-
-TIP: `PathRequest.toH2Console()` returns the correct request matcher also when the console's path has been customized.
+TIP: `PathRequest.toH2Console()` provides a `RequestMatcher` for the console that is useful when configuring Spring Security or implementing a custom servlet filter.