[8u20] Request for approval: 8032869 - remove support for legacy options in javap

[Alexander Zuev]

Please approve the backport of the following change from the jdk9.

Bug: https://bugs.openjdk.java.net/browse/JDK-8032869
Fix pushed as: 
http://hg.openjdk.java.net/jdk9/jdk9/langtools/rev/96dddd8416a6
Fix applies without an issue to 
http://hg.openjdk.java.net/jdk8u/jdk8u-dev/langtools
Webrev is available at: http://cr.openjdk.java.net/~kizune/8033976/webrev.00

/Alex