RFR: 8196027: Remove "Prev" and "Next" links from the javadoc navigation

[Bhavesh Patel]

Hi,
      Please review the fix for change in javadoc navigation bar.

JBS: https://bugs.openjdk.java.net/browse/JDK-8196027.

Webrev: http://cr.openjdk.java.net/~bpatel/8196027/webrev.00/

Regards,
Bhavesh.