Minor cleanup issue. 6843041: Remove duplicate README files in repositories (make/README) jdk7: http://cr.openjdk.java.net/~ohair/jdk7/6843041-dup-READMEs/webrev/ jdk6: http://cr.openjdk.java.net/~ohair/jdk6/6843041-dup-READMEs/webrev/ -kto