[GEOS-10638] drop Java 8 support from docs

[euanmitchell]

Checklist

• I have read the contribution guidelines.
• I have sent a Contribution Licence Agreement (not required for small changes, e.g., fixing typos in documentation).
• First PR targets the main branch (backports managed later; ignore for branch specific issues).
• All the build checks are green (see automated QA checks).

For core and extension modules:

• New unit tests have been added covering the changes.
• Documentation has been updated (if change is visible to end users).
• The REST API docs have been updated (when changing configuration objects or the REST controllers).
• There is an issue in the GeoServer Jira (except for changes that do not affect administrators or end users in any way).
• Commit message(s) must be in the form [GEOS-XYZWV] Title of the Jira ticket.
• Bug fixes and small new features are presented as a single commit.
• Each commit has a single objective (if there are multiple commits, each has a separate JIRA ticket describing its goal).

[jodygarnett]

Code sprint activity; documenation rather than functional change so I am not going to require a contribution agreement.

[jodygarnett]

A small number of whitepace changes due to text editor

[jodygarnett]

Cleaned up the whitespace changes and removed reference to java 8 in developers guide, looks good to me.

[ianturton]

Lgtm

…

On Sat, 27 Aug 2022, 17:46 Jody Garnett, ***@***.***> wrote: Cleaned up the whitespace changes and removed reference to java 8 in developers guide, looks good to me. — Reply to this email directly, view it on GitHub <#6137 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAA55IMKRI3MG6BEHGNIVXLV3IZ6JANCNFSM57ZIZFZA> . You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>

[jodygarnett]

The conflict is a new section at the end of the page, not sure why it could not figure it out.

[jodygarnett]

With the proposal accepted, and the RC out this can now be merged to main