http2: refactor deprecated method in core.js

PR-URL: #26275
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

lib/internal/http2/core.js

@@ -1758,8 +1758,7 @@ class Http2Stream extends Duplex {
   }
 
   [kProceed]() {
-    assert.fail(null, null,
-                'Implementors MUST implement this. Please report this as a ' +
+    assert.fail('Implementors MUST implement this. Please report this as a ' +
                 'bug in Node.js');
   }