RFR [14/java.xml] 8178843: A bug in an inner loop in MethodGenerator's getLocals method

[Joe Wang]

Please review a cleanup that removes unused code. This code has two 
errors, one as indicated in the bug report, another attempting to loop 
through allVarsEverDeclared that was just created (meaning size=0). It 
just ensures again that the code was never used.

JBS: https://bugs.openjdk.java.net/browse/JDK-8178843
webrevs: http://cr.openjdk.java.net/~joehw/jdk14/8178843/webrev/
All tests passed.

Thanks,
Joe