POM: Bump parent to pom-scijava-39.0.0

Remove obsolete version overrides

pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.scijava</groupId>
 		<artifactId>pom-scijava</artifactId>
-		<version>38.0.1</version>
+		<version>39.0.0</version>
 		<relativePath />
 	</parent>
 
@@ -63,9 +63,6 @@ Martin Horn, Steffen Jaensch, Lee Kamentsky, Larry Lindsey, Melissa Linkert,
 Mark Longair, Brian Northan, Nick Perry, Curtis Rueden, Johannes Schindelin,
 Jean-Yves Tinevez and Michael Zinsmaier.</license.copyrightOwners>
 
-		<imglib2.version>7.1.0</imglib2.version>
-		<imglib2-realtransform.version>4.0.3</imglib2-realtransform.version>
-
 		<!-- NB: Deploy releases to the SciJava Maven repository. -->
 		<releaseProfiles>sign,deploy-to-scijava</releaseProfiles>
 	</properties>