Remove unused throttleMetadata

not used since 9b5d6c6

Author: Spitfireap

lib/Controller/LoginController.php

@@ -863,7 +863,6 @@ public function backChannelLogout(string $providerIdentifier, string $logout_tok
 			return $this->getBackchannelLogoutErrorResponse(
 				'provider not found',
 				'The provider was not found in Nextcloud',
-				['provider_not_found' => $providerIdentifier]
 			);
 		}
 
@@ -882,7 +881,6 @@ public function backChannelLogout(string $providerIdentifier, string $logout_tok
 			return $this->getBackchannelLogoutErrorResponse(
 				'invalid audience',
 				'The audience of the logout token does not match the provider',
-				['invalid_audience' => $logoutTokenPayload->aud]
 			);
 		}
 
@@ -891,7 +889,6 @@ public function backChannelLogout(string $providerIdentifier, string $logout_tok
 			return $this->getBackchannelLogoutErrorResponse(
 				'invalid event',
 				'The backchannel-logout event was not found in the logout token',
-				['invalid_event' => true]
 			);
 		}
 
@@ -900,15 +897,13 @@ public function backChannelLogout(string $providerIdentifier, string $logout_tok
 			return $this->getBackchannelLogoutErrorResponse(
 				'invalid nonce',
 				'The logout token should not contain a nonce attribute',
-				['nonce_should_not_be_set' => true]
 			);
 		}
 
 		if (!isset($logoutTokenPayload->iss)) {
 			return $this->getBackchannelLogoutErrorResponse(
 				'invalid iss',
 				'The logout token should contain an iss attribute',
-				['iss_should_be_set' => true]
 			);
 		}
 		$iss = $logoutTokenPayload->iss;
@@ -917,7 +912,6 @@ public function backChannelLogout(string $providerIdentifier, string $logout_tok
 			return $this->getBackchannelLogoutErrorResponse(
 				'invalid sid+sub',
 				'The logout token should contain sid or sub or both',
-				['no_sid_no_sub' => true]
 			);
 		}
 
@@ -979,7 +973,6 @@ public function backChannelLogout(string $providerIdentifier, string $logout_tok
 	private function getBackchannelLogoutErrorResponse(
 		string $error,
 		string $description,
-		array $throttleMetadata = [],
 	): JSONResponse {
 		$this->logger->debug('Backchannel logout error. ' . $error . ' ; ' . $description);
 		return new JSONResponse(