Fix maven warning

Closes spring-projectsgh-9075

Author: snicoll

pom.xml

@@ -43,9 +43,6 @@
 			</roles>
 		</developer>
 	</developers>
-	<prerequisites>
-		<maven>3.2.1</maven>
-	</prerequisites>
 	<properties>
 		<main.basedir>${basedir}</main.basedir>
 	</properties>

spring-boot-dependencies/pom.xml

@@ -185,9 +185,6 @@
 		<wsdl4j.version>1.6.3</wsdl4j.version>
 		<xml-apis.version>1.4.01</xml-apis.version>
 	</properties>
-	<prerequisites>
-		<maven>3.2.1</maven>
-	</prerequisites>
 	<dependencyManagement>
 		<dependencies>
 			<!-- Spring Boot -->