Remove Maven site

[basil]

The Maven site generation portion of the last release failed with:

[INFO] [INFO] --- maven-site-plugin:3.12.1:deploy (default-deploy) @ winp ---
[INFO] [ERROR] 
[INFO] Unsupported protocol: 'gitsite' for site deployment to distributionManagement.site.url=gitsite:github.com/jenkinsci/winp.git.
[INFO] Currently supported protocols are: http, https, file.
[INFO]     Protocols may be added through wagon providers.
[INFO]     For more information, see https://maven.apache.org/plugins/maven-site-plugin/examples/adding-deploy-protocol.html
[INFO] [INFO] ------------------------------------------------------------------------
[INFO] [INFO] BUILD FAILURE
[INFO] [INFO] ------------------------------------------------------------------------
[INFO] [INFO] Total time:  21.245 s
[INFO] [INFO] Finished at: 2022-09-21T18:09:55-07:00
[INFO] [INFO] ------------------------------------------------------------------------
[INFO] [WARNING] The requested profile "consume-incrementals" could not be activated because it does not exist.
[INFO] [ERROR] Failed to execute goal org.apache.maven.plugins:maven-site-plugin:3.12.1:deploy (default-deploy) on project winp: Unsupported protocol: 'gitsite' for site deployment to distributionManagement.site.url=gitsite:github.com/jenkinsci/winp.git. -> [Help 1]
[INFO] [ERROR] 
[INFO] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[INFO] [ERROR] Re-run Maven using the -X switch to enable full debug logging.
[INFO] [ERROR] 
[INFO] [ERROR] For more information about the errors and possible solutions, please read the following articles:
[INFO] [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
[INFO] ------------------------------------------------------------------------

Since the site only has one sentence that is already covered in the README, I deemed it to have no value and am removing it in this PR.