Revert "fix name"

This reverts commit 192f6bb5d4b6f63ab97642c1a3cdcf23119be9ee.

web/src/components/SiderBar.js

@@ -151,7 +151,7 @@ const HeaderBar = () => {
                         }}
                         header={{
                             logo: <img src={logo} alt='logo' style={{marginRight: '0.75em'}}/>,
-                            text: "NekoAPI",
+                            text: systemName,
                         }}
                         // footer={{
                         //   text: '© 2021 NekoAPI',