Remove Woodstox dependency management after Jackson upgrade

The upgrade to Jackson 2.10.0 means that the possibility of getting
an incompatible combination of Woodstox and the StAX API when
building with Maven has gone. This commit removes the dependency
management as it was only added to work around the incompatibility
in Jackson's transitive dependencies.

Closes gh-18500

Author: wilkinsona

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -212,7 +212,6 @@
 		<undertow.version>2.0.26.Final</undertow.version>
 		<webjars-hal-browser.version>3325375</webjars-hal-browser.version>
 		<webjars-locator-core.version>0.41</webjars-locator-core.version>
-		<woodstox.version>5.0.3</woodstox.version>
 		<wsdl4j.version>1.6.3</wsdl4j.version>
 		<xmlunit2.version>2.6.3</xmlunit2.version>
 		<!-- Plugin versions -->
@@ -648,11 +647,6 @@
 				<scope>import</scope>
 				<type>pom</type>
 			</dependency>
-			<dependency>
-				<groupId>com.fasterxml.woodstox</groupId>
-				<artifactId>woodstox-core</artifactId>
-				<version>${woodstox.version}</version>
-			</dependency>
 			<dependency>
 				<groupId>com.github.ben-manes.caffeine</groupId>
 				<artifactId>caffeine</artifactId>