To delete agent email from agent page  try this css in wp-admin -Appearance  –  Theme options – Design – Custom css

.agent_meta a {
display: none;
}

To delete agent email -agent on sideber- from property page go in agent_unit_widget.php and delete below code:

if ($agent_email) {
print '<div class="agent_detail"><i class="fa fa-envelope-o"></i>' . $agent_email . '</div>';

To delete agent email from property page go in agentdetails.php and delete below code:
if ($agent_email) {
print '<div class="agent_detail agent_email_class"><i class="fa fa-envelope-o"></i><a href="mailto:' . $agent_email . '">' . $agent_email . '</a></div>';
}

For delete agent email from agent list page go in agent_unit.php and delete below code:
}
if ($agent_email) {
print '<div class="agent_detail"><i class="fa fa-envelope-o"></i>' . $agent_email . '</div>';
}


• For delete agent email from featured agent shortcode go in agent_unit_featured.php and delete below code:

if ($agent_email) {
print '<div class="agent_detail"><i class="fa fa-envelope-o"></i>' . $agent_email . '</div>';
}