RFR: JDK-8210704 Remove dead build tools hasher and jarreorder

[Magnus Ihse Bursie]

On 2018-09-13 10:35, Magnus Ihse Bursie wrote:
> The two build tools hasher and jarreorder is not used in the build 
> anymore and should be removed.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8210704
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8210704-remove-hasher-and-jarreorder/webrev.01

Updated webrev that also removes the dead declaration for 
TOOL_GENMODULESXML. (The tool itself was previously removed)

http://cr.openjdk.java.net/~ihse/JDK-8210704-remove-hasher-and-jarreorder/webrev.02

/Magnus