Remove doc related debhelper files

debian/libjsonp-java-doc.doc-base

-Document: libjsonp-java
-Title: API Javadoc for JSR 353 (JSON Processing) RI
-Author: Oracle developers
-Abstract: This is the API Javadoc provided for the
- libjsonp-java libraries.
-Section: Programming
-
-Format: HTML
-Index: /usr/share/doc/libjsonp-java/api/index.html
-Files: /usr/share/doc/libjsonp-java/api/*

debian/libjsonp-java-doc.install

-target/site/apidocs/* usr/share/doc/libjsonp-java/api/