RFR: 8215584 : Remove support for the "old" doclet API in com/sun/javadoc

[Priya Lakshmi Muthuswamy]

Hi,

Kindly review the changes for removal of old doclet API in com/sun/javadoc

webrev : http://cr.openjdk.java.net/~pmuthuswamy/8215584/webrev.00/
JBS : https://bugs.openjdk.java.net/browse/JDK-8215584
CSR: https://bugs.openjdk.java.net/browse/JDK-8215587

Thanks,
Priya