remove unnecessary type casts

lib/Providers/Qr/QRicketProvider.php

@@ -35,7 +35,7 @@ class QRicketProvider extends BaseHTTPQRCodeProvider
     public function getUrl(string $qrtext, int $size): string
     {
         return 'http://qrickit.com/api/qr'
-            . '?qrsize=' . (string)$size
+            . '?qrsize=' . $size
             . '&e=' . strtolower($this->errorcorrectionlevel)
             . '&bgdcolor=' . $this->bgcolor
             . '&fgdcolor=' . $this->color

lib/TwoFactorAuth.php

@@ -157,9 +157,9 @@ class TwoFactorAuth
         return 'otpauth://totp/' . rawurlencode($label)
             . '?secret=' . rawurlencode($secret)
             . '&issuer=' . rawurlencode((string)$this->issuer)
-            . '&period=' . intval($this->period)
+            . '&period=' . $this->period
             . '&algorithm=' . rawurlencode(strtoupper($this->algorithm->value))
-            . '&digits=' . intval($this->digits);
+            . '&digits=' . $this->digits;
     }
 
     /**