RFR: JDK-8062806 Remove unused build/make files

[Magnus Ihse Bursie]

On 2014-11-04 11:09, Magnus Ihse Bursie wrote:
> Some files have been left in the build system, even though they are 
> not used (anymore).
>
> common/bin/boot_cycle.sh common/bin/compare-objects.sh is not needed 
> anymore. The first was a crude replacement for the bootcycle-images 
> target, and the second was only at use while the modern build system 
> was developed.
>
> common/autoconf/config.h.in and common/autoconf/spec.sh.in both 
> generate files in the $BUILD top directory which is not used. config.h 
> was never used at all, and spec.sh was support for compare-objects.sh.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8062806
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8062806-remove-unused-build-files/webrev.01
>
> /Magnus

I noticed that I had missed to remove a reference to spec.sh in 
Main.gmk. Harmless, but it should go away. Updated webrev:

http://cr.openjdk.java.net/~ihse/JDK-8062806-remove-unused-build-files/webrev.02

/Magnus