Revert "bugfix: portbind error when falling back to http server"

This reverts commit 4817ed9c.
the bugfix is inappropriate

src/main/java/emu/grasscutter/server/dispatch/DispatchServer.java

@@ -200,6 +200,8 @@ public final class DispatchServer {
 	public void start() throws Exception {
 		HttpServer server;
 		if (Grasscutter.getConfig().getDispatchOptions().UseSSL) {
+			HttpsServer httpsServer = HttpsServer.create(getAddress(), 0);
+			SSLContext sslContext = SSLContext.getInstance("TLS");
 			try (FileInputStream fis = new FileInputStream(Grasscutter.getConfig().getDispatchOptions().KeystorePath)) {
 				char[] keystorePassword = Grasscutter.getConfig().getDispatchOptions().KeystorePassword.toCharArray();
 				KeyManagerFactory _kmf;
@@ -232,9 +234,9 @@ public final class DispatchServer {
 						throw originalEx;
 					}
 				}
-				SSLContext sslContext = SSLContext.getInstance("TLS");
+
 				sslContext.init(_kmf.getKeyManagers(), null, null);
-				HttpsServer httpsServer = HttpsServer.create(getAddress(), 0);
+
 				httpsServer.setHttpsConfigurator(new HttpsConfigurator(sslContext));
 				server = httpsServer;
 			} catch (BindException ignored) {