POM: update parent to pom-scijava 28.0.0

Also tidy up pom.xml using:
    mvn tidy:pom

Author: imagejan

pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.scijava</groupId>
 		<artifactId>pom-scijava</artifactId>
-		<version>27.0.1</version>
+		<version>28.0.0</version>
 		<relativePath />
 	</parent>
 
@@ -100,19 +100,10 @@
 		<license.copyrightOwners>Board of Regents of the University of
 Wisconsin-Madison, and Friedrich Miescher Institute for Biomedical Research.</license.copyrightOwners>
 
-		<scijava-common.version>2.81.0</scijava-common.version>
-
 		<!-- NB: Deploy releases to the SciJava Maven repository. -->
 		<releaseProfiles>deploy-to-scijava</releaseProfiles>
 	</properties>
 
-	<repositories>
-		<repository>
-			<id>scijava.public</id>
-			<url>https://maven.scijava.org/content/groups/public</url>
-		</repository>
-	</repositories>
-
 	<dependencies>
 		<dependency>
 			<groupId>org.scijava</groupId>
@@ -127,4 +118,10 @@ Wisconsin-Madison, and Friedrich Miescher Institute for Biomedical Research.</li
 		</dependency>
 	</dependencies>
 
+	<repositories>
+		<repository>
+			<id>scijava.public</id>
+			<url>https://maven.scijava.org/content/groups/public</url>
+		</repository>
+	</repositories>
 </project>