Remove useless override

Author: snicoll

spring-boot-parent/pom.xml

@@ -825,7 +825,6 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-javadoc-plugin</artifactId>
-						<version>2.10.1</version>
 						<executions>
 							<execution>
 								<id>attach-javadocs</id>