Revert "Temporarily use tycho-packaging-plugin with plexus-archiver

4.10.0"

Tycho itself has downgraded to plexus-archiver 4.10.0 via
- eclipse-tycho/tycho#5539
- eclipse-tycho/tycho#5542

so the downgrade doesn't have to be repeated in this project.

This reverts commit d4ab283.

Fixes #3436

Author: HannesWell

eclipse-platform-parent/pom.xml

@@ -412,11 +412,6 @@
               <artifactId>tycho-sourceref-jgit</artifactId>
               <version>${tycho.version}</version>
             </dependency>
-            <dependency>
-              <groupId>org.codehaus.plexus</groupId>
-              <artifactId>plexus-archiver</artifactId>
-              <version>4.10.0</version>
-            </dependency>
           </dependencies>
           <configuration>
             <timestampProvider>jgit</timestampProvider>