Remove more referneces to get_branch_security_eol

Author: markrandall

public/eol.php

@@ -51,7 +51,7 @@
 	<tbody>
 		<?php foreach (Branches::eol() as $major => $branches): ?>
 			<?php foreach ($branches as $branch => $detail): ?>
-				<?php $eolDate = get_branch_security_eol_date($branch) ?>
+				<?php $eolDate = Branches::getBranchSecurityEOLDate($branch) ?>
 				<?php $eolPeriod = format_interval($eolDate, new DateTime('now')) ?>
 					<tr>
 						<td><?php echo htmlspecialchars($branch); ?></td>

public/images/supported-versions.php

@@ -22,7 +22,7 @@ function branches_to_show() {
     // Flatten out the majors.
     foreach (Branches::get_all_branches() as $major_branches) {
         foreach ($major_branches as $branch => $version) {
-            if (version_compare($branch, '5.3', 'ge') && get_branch_security_eol_date($branch) > min_date()) {
+            if (version_compare($branch, '5.3', 'ge') && Branches::getBranchSecurityEOLDate($branch) > min_date()) {
                 $branches[$branch] = $version;
             }
         }