Removed dead code

include/functions.php

@@ -295,16 +295,6 @@ function default_loan_end() {
     return $end->getTimestamp();
 }
 
-function str_ends_with($haystack, $needle) {
-    if(strlen($needle) === 0) {
-        return true;
-    }
-    if(strlen($haystack) === 0) {
-        return false;
-    }
-    return substr($haystack, -strlen($needle)) === $needle;
-}
-
 ### Database interaction functions ###
 
 $db = new mysqli($db_host, $db_user, $db_pass, $db_name);