Fix duplicate words in comments

Closes gh-12866

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/security/reactive/EndpointRequest.java

@@ -240,7 +240,7 @@ public final class EndpointRequest {
 	}
 
 	/**
-	 * The The {@link ServerWebExchangeMatcher} used to match against the links endpoint.
+	 * The {@link ServerWebExchangeMatcher} used to match against the links endpoint.
 	 */
 	public static final class LinksServerWebExchangeMatcher
 			extends ApplicationContextServerWebExchangeMatcher<WebEndpointProperties> {

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/annotation/ServletEndpoint.java

@@ -33,7 +33,7 @@ import org.springframework.core.annotation.AliasFor;
  * Implementations must also implement {@link Supplier Supplier<EndpointServlet>}
  * and return a valid {@link EndpointServlet}.
  * <p>
- * This annotation can be used when existing servlets need be be exposed as actuator
+ * This annotation can be used when existing servlets need to be exposed as actuator
  * endpoints, but it is at the expense of portability. Most users should prefer the
  * {@link Endpoint @Endpoint} or {@link WebEndpoint @WebEndpoint} annotations whenever
  * possible.