Request: removed flag SECURED (BC break)

Author: dg

src/Application/Application.php

@@ -116,7 +116,6 @@ public function createInitialRequest(): Request
 			$params,
 			$this->httpRequest->getPost(),
 			$this->httpRequest->getFiles(),
-			[Request::SECURED => $this->httpRequest->isSecured()],
 		);
 	}
 

src/Application/Request.php

@@ -28,9 +28,6 @@ final class Request
 	/** method */
 	public const FORWARD = 'FORWARD';
 
-	/** flag */
-	public const SECURED = 'secured';
-
 	/** flag */
 	public const RESTORED = 'restored';