Do not remove package lock during clean

Author: uhafner

pom.xml

@@ -94,12 +94,6 @@
         <artifactId>maven-clean-plugin</artifactId>
         <configuration>
           <filesets>
-            <fileset>
-              <directory>./</directory>
-              <includes>
-                <include>package-lock.json</include>
-              </includes>
-            </fileset>
             <fileset>
               <directory>node</directory>
               <includes>