Suppress Kotlin code sample warnings

Author: sdeleuze

framework-docs/src/main/kotlin/org/springframework/docs/web/webflux/filters/urlhandler/UrlHandlerFilterConfiguration.kt

@@ -21,6 +21,7 @@ import org.springframework.web.filter.reactive.UrlHandlerFilter
 
 class UrlHandlerFilterConfiguration {
 
+	@Suppress("UNUSED_VARIABLE")
 	fun configureUrlHandlerFilter() {
 		// tag::config[]
 		val urlHandlerFilter = UrlHandlerFilter

framework-docs/src/main/kotlin/org/springframework/docs/web/webmvc/filters/urlhandler/UrlHandlerFilterConfiguration.kt

@@ -21,6 +21,7 @@ import org.springframework.web.filter.UrlHandlerFilter
 
 class UrlHandlerFilterConfiguration {
 
+	@Suppress("UNUSED_VARIABLE")
 	fun configureUrlHandlerFilter() {
 		// tag::config[]
 		val urlHandlerFilter = UrlHandlerFilter