[MSHADE-387] relativePath added in the reduced POM when POM and parent POM do not have relativePath

**[Shahim Essaid](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=sessaid)** opened **[MSHADE-387](https://issues.apache.org/jira/browse/MSHADE-387?redirect=false)** and commented

I'm a new user of the plugin. I have a project that has a -SNAPSHOT parent resolved from a remote repository. The generated reduced POM has the following for the parent:

\../pom.xml/pom.xml\

and I'm not able to understand why this is occurring so I'm assuming it is a bug. It causes build warnings for projects using the deployed shaded artifact.  Neither the parent or the project's POMs have a relative path entry. I tried a build on a different machine and the same results.

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**Affects:** 3.2.4

Reproduce issue #394 with a SNAPSHOT parent resolved from a remote repository and inspect the generated reduced POM. Focus on why it contains ../pom.xml/pom.xml when neither POM declares relativePath. Done means the reduced POM no longer adds the erroneous relativePath and deployed shaded artifacts do not produce the reported build warnings.

Written by the indexing model from the issue text.