Don't bother to explicitly set [publishingServerId](https://central.sonatype.org/publish/publish-portal-maven/#publishingserverid) to its default value.

cpovirk · Compile-Testing Team · commit 05959732daff · 2025-08-25T17:46:41.000-07:00
RELNOTES=n/a
PiperOrigin-RevId: 799337152
diff --git a/pom.xml b/pom.xml
@@ -233,9 +233,6 @@
             <artifactId>central-publishing-maven-plugin</artifactId>
             <version>0.8.0</version>
             <extensions>true</extensions>
-            <configuration>
-              <publishingServerId>central</publishingServerId>
-            </configuration>
           </plugin>
         </plugins>
       </build>
