title: how to find usage of a dependency in a pom
body: <p>I am working on a maven project, there is a dependency in the pom added, but I don't know where it is used in the code, so if it is not used I want to delete it.
  so how can I tell where this dependency is used?</p>
  <p>note that the dependency I am mentioning is under   </p>
  <p>its name is maven-assembly-plugin</p>