removes maven dir in output shadow jar (#1993)

* removes commons-text from maven dir in output shadow jar. I think this is okay as I cannot find a reference to it either in the code or in the dependencies of any of the build stages (transient or otherwise).

* remove all the maven

Co-authored-by: Tim Bazuin <tim.bazuin@ns.nl>

build.gradle

@@ -294,7 +294,7 @@ shadowJar {
 
   mergeServiceFiles()
 
-  exclude 'META-INF/maven/javax.servlet/**'
+  exclude 'META-INF/maven/**'
   exclude 'module-info.class'
   exclude 'handlebars-*.js'
 }