RFR: 8156561: Remove makeClasslist.js

[Claes Redestad]

Hi,

the tool makeClasslist.js lost it's purpose after JDK-8150044, so should 
be removed.

Bug: https://bugs.openjdk.java.net/browse/JDK-8156561

jdk repo$ hg rm make/non-build-utils/src/build/tools/makeclasslist

Thanks!

/Claes