Remove Coverity Badge (Take 2)
Remove Coverity Badge (Take 2)

Follow-up to: https://github.com/zaproxy/zaproxy/pull/6051, which was
mistakenly done against master.

Signed-off-by: kingthorin <83ea41af2b636790c02743e48206546e1fa891e4@users.noreply.github.com>
kingthorin/zaproxy,gmaran23/zaproxy,thc202/zaproxy,kingthorin/zaproxy,kingthorin/zaproxy,kingthorin/zaproxy,zaproxy/zaproxy,zaproxy/zaproxy,psiinon/zaproxy,zaproxy/zaproxy,psiinon/zaproxy,kingthorin/zaproxy,zaproxy/zaproxy,psiinon/zaproxy,kingthorin/zaproxy,thc202/zaproxy,psiinon/zaproxy,psiinon/zaproxy,zaproxy/zaproxy,psiinon/zaproxy,zaproxy/zaproxy,gmaran23/zaproxy,thc202/zaproxy,kingthorin/zaproxy,gmaran23/zaproxy,thc202/zaproxy,gmaran23/zaproxy,gmaran23/zaproxy,psiinon/zaproxy,gmaran23/zaproxy,thc202/zaproxy,zaproxy/zaproxy,thc202/zaproxy,gmaran23/zaproxy,thc202/zaproxy