Remove redirect uri from auth link

No used
Also simplify disclaimer

index.php

@@ -2,7 +2,7 @@
 /*
 Electric Kiwi HourChanger
 
-Not affiliated with Electric Kiwi the company.
+Not affiliated with Electric Kiwi.
 
 Uses the Electric Kiwi API to update a customer's hour of free power. Created because the web page provided by the
 company became a 12MB JS-only web app that broke integration with common password managers.
@@ -425,7 +425,7 @@ if ($isLoggedIn && $_POST) {
             <div class="message"><?= $message ?></div>
         <?php endif; ?>
         <div class="actions">
-            <a href="<?= $vars['AUTHORIZE_URL']; ?>?response_type=code&client_id=<?= $vars['CLIENT_ID'] ?>&redirect_uri=<?= $vars['REDIRECT_URL'] ?>&scope=<?= urlencode($vars['SCOPES']) ?>"
+            <a href="<?= $vars['AUTHORIZE_URL']; ?>?response_type=code&client_id=<?= $vars['CLIENT_ID'] ?>&scope=<?= urlencode($vars['SCOPES']) ?>"
                class="button">Log in now</a>
         </div>
     <?php else: ?>
@@ -448,7 +448,7 @@ if ($isLoggedIn && $_POST) {
         </form>
         <p>Logged in as <?= $customerName ?>. <a href="?logout" class="logout">Log out</a></p>
     <?php endif; ?>
-    <p class="info">This site is not affiliated with Electric Kiwi. It uses Electric Kiwi's API in order to allow you to
+    <p class="info">This site is not affiliated with Electric Kiwi. It uses Electric Kiwi's API to
         update your hour of power. None of your personal information is retained or shared.
         <a href="https://git.peterson.nz/damian/HourChanger">Source code</a>
     </p>