POM: update pom-scijava parent to 31.0.0

Author: ctrueden

pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.scijava</groupId>
 		<artifactId>pom-scijava</artifactId>
-		<version>30.0.0</version>
+		<version>31.0.0</version>
 		<relativePath />
 	</parent>
 
@@ -107,8 +107,6 @@
 
 		<jdatepicker.version>1.3.2</jdatepicker.version>
 		<object-inspector.version>0.1</object-inspector.version>
-
-		<scijava-common.version>2.87.0</scijava-common.version>
 	</properties>
 
 	<repositories>