Enable .jar in documentation project

This is necessary because otherwise, central-publishing-maven-plugin will
complain about no artifact being bound to the documentation module

Author: atextor

.github/workflows/release-workflow.yml

@@ -98,18 +98,19 @@ jobs:
         run: |
           export MAVEN_OPTS="-Xmx4096m"
           export JAVA_TOOL_OPTIONS="-Dfile.encoding=UTF8"
+          release_version=${{ github.event.inputs.release_version }}
+
           # Required for reactor dependencies
           mvn clean install -DskipTests -Dmaven.javadoc.skip=true
-          mvn versions:set -DnewVersion=${{ github.event.inputs.release_version }}
+          mvn versions:set -DnewVersion=${release_version}
           mvn versions:commit
 
-          release_version=${{ github.event.inputs.release_version }}
-
           # Actual build of core SDK
           mvn -B -pl '!org.eclipse.esmf:samm-cli' clean deploy -Pnative -Dmaven.wagon.httpconnectionManager.ttlSeconds=60 -Psign
 
           # Create Maven Central upload bundle
           pushd target/central-deferred
+          rm -rf org/eclipse/esmf/documentation
           zip -r -9 ../../central-bundle.zip .
           popd
 

documentation/pom.xml

@@ -100,17 +100,6 @@
             </configuration>
          </plugin>
 
-         <plugin>
-            <groupId>org.apache.maven.plugins</groupId>
-            <artifactId>maven-jar-plugin</artifactId>
-            <executions>
-               <execution>
-                  <id>default-jar</id>
-                  <phase/>
-               </execution>
-            </executions>
-         </plugin>
-
          <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-source-plugin</artifactId>