Remove example mail for announcing a new Gerrit release

The example mail contained outdated links. This mail is trivial and
there is no need to have an eaxmple of it in the documentation.

Change-Id: I2def3114c42b799b0ab368367f6a60c0d98845c9
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
1 file changed