Move imports to code section

Issue gh-13089

Author: Steve Riesenberg

docs/modules/ROOT/pages/servlet/exploits/csrf.adoc

@@ -1154,6 +1154,11 @@ You can use Spring Security's xref:servlet/test/mockmvc/setup.adoc[testing suppo
 .Java
 [source,java,role="primary"]
 ----
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.*;
+import static org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.*;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
 @ExtendWith(SpringExtension.class)
 @ContextConfiguration(classes = SecurityConfig.class)
 @WebAppConfiguration
@@ -1192,6 +1197,11 @@ public class CsrfTests {
 .Kotlin
 [source,kotlin,role="secondary"]
 ----
+import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.*
+import org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.*
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers.*
+
 @ExtendWith(SpringExtension::class)
 @ContextConfiguration(classes = [SecurityConfig::class])
 @WebAppConfiguration
@@ -1228,31 +1238,6 @@ class CsrfTests {
 ----
 ====
 
-[TIP]
-====
-The above example uses the following static imports:
-
-=====
-.Java
-[source,java,role="primary"]
-----
-import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.*;
-import static org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.*;
-import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
-----
-
-.Kotlin
-[source,kotlin,role="secondary"]
-----
-import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.*
-import org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.*
-import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*
-import org.springframework.test.web.servlet.result.MockMvcResultMatchers.*
-----
-=====
-====
-
 [[disable-csrf]]
 == Disable CSRF Protection