RFR: Remove version numbering

[David Holmes]

Hi Jesper,

On 26/05/2020 8:01 am, Jesper Wilhelmsson wrote:
> Removed release notes and version numbers from all pages. Added a footer which displays file modification date and time
> instead. The modification time is currently only placed at the bottom of each file, while the version number was
> present both at the top and at the bottom. This was made on purpose. Please leave a comment if you disagree with that
> decision. It's a simple makefile change to add it at the top as well.

Seems okay, but do we want any kind of change history in the documents 
themselves? I find a last modified date of little use in general.

Thanks,
David

> -------------
> 
> Commit messages:
>   - Remove version numbering
> 
> Changes: https://git.openjdk.java.net/guide/pull/9/files
>   Webrev: https://webrevs.openjdk.java.net/guide/9/webrev.00
>    Stats: 158 lines in 20 files changed: 5 ins; 152 del; 1 mod
>    Patch: https://git.openjdk.java.net/guide/pull/9.diff
>    Fetch: git fetch https://git.openjdk.java.net/guide pull/9/head:pull/9
> 
> PR: https://git.openjdk.java.net/guide/pull/9
>