remove spaces etc. at end of line (no functional change)

template/quitesimple/admin_register

@@ -1,7 +1,7 @@
 {qswiki:include:general_header}
 <main id="content">
 <h2>Login</h2>
-Register a new user 
+Register a new user
 <form action="{qswiki:var:adminregisterurl}" method="POST">
 Username: <input type="text" name="user"></input><br>
 Password: <input type="password" name="password"></input><br>