Revert "Add an override for 5.4 on the EOL page for now."

This reverts commit 751d067b86.

eol.php

@@ -38,7 +38,7 @@ site_header('Unsupported Branches');
 		</tr>
 	</thead>
 	<tbody>
-		<?php foreach (get_eol_branches(array('5.4.45')) as $major => $branches): ?>
+		<?php foreach (get_eol_branches() as $major => $branches): ?>
 			<?php foreach ($branches as $branch => $detail): ?>
 				<?php $eolPeriod = format_interval('@'.$detail['date'], null) ?>
 					<tr>