Pick up spotbugs-maven-plugin version from parent

Author: garydgregory

pom.xml

@@ -298,7 +298,6 @@
       <plugin>
         <groupId>com.github.spotbugs</groupId>
         <artifactId>spotbugs-maven-plugin</artifactId>
-        <version>${commons.spotbugs.version}</version>
         <configuration>
           <excludeFilterFile>${basedir}/src/site/resources/spotbugs/spotbugs-exclude-filter.xml</excludeFilterFile>
         </configuration>