Update instruction to add the configuration processor with Maven

Closes gh-24498

Author: snicoll

spring-boot-project/spring-boot-docs/src/docs/asciidoc/appendix-configuration-metadata.adoc

@@ -713,30 +713,6 @@ With Maven the dependency should be declared as optional, as shown in the follow
 	</dependency>
 ----
 
-If you have defined `@ConfigurationProperties` in your application, make sure to configure the `spring-boot-maven-plugin` to prevent the `repackage` goal from adding the dependency into the fat jar:
-
-[source,xml,indent=0,subs="verbatim,quotes,attributes"]
-----
-	<project>
-		<build>
-			<plugins>
-				<plugin>
-					<groupId>org.springframework.boot</groupId>
-					<artifactId>spring-boot-maven-plugin</artifactId>
-					<configuration>
-						<excludes>
-							<exclude>
-								<groupId>org.springframework.boot</groupId>
-								<artifactId>spring-boot-configuration-processor</artifactId>
-							</exclude>
-						</excludes>
-					</configuration>
-				</plugin>
-			</plugins>
-		</build>
-	</project>
-----
-
 With Gradle, the dependency should be declared in the `annotationProcessor` configuration, as shown in the following example:
 
 [source,groovy,indent=0,subs="verbatim,quotes,attributes"]