fix CI/CD Firefox tests (#6516)

* delete cypress firefox special configurations

Author: Muhammad-Altabba

templates/cypress.config.js

@@ -28,23 +28,4 @@ const config = {
 	},
 };
 
-if (process.env.WEB3_SYSTEM_TEST_ENGINE === 'firefox') {
-	const port = parseInt(String(Math.random() * 10000 + 10000));
-	config.clientCertificates = [
-		{
-			url: 'https://web3.js',
-			certs: [
-				{
-					cert: './cypress/.cert/cert.pem',
-					key: './cypress/.cert/key.pem',
-				},
-			],
-		},
-	];
-	config.e2e.port = port;
-	config.e2e.hosts = {
-		'web3.js': '127.0.0.1',
-	};
-	config.e2e.baseUrl = `https://web3.js:${port}`;
-}
 module.exports = config;