hg: type-annotations/type-annotations/langtools: revert one missed "feature"

[mali at csail.mit.edu]

Changeset: 93a1b7f39fb7
Author:    mali
Date:      2009-04-21 01:14 -0400
URL:       http://hg.openjdk.java.net/type-annotations/type-annotations/langtools/rev/93a1b7f39fb7

revert one missed "feature"
 - read type annotations from classfile only for v51 (and up) classfiles

! src/share/classes/com/sun/tools/javac/jvm/ClassReader.java