docs: remove useless locales, credits, serviceworker, layout2 and layout3 files

src/app/theme-layouts/layout2/components/FooterLayout2.js

@@ -1,28 +0,0 @@
-import AppBar from '@mui/material/AppBar';
-import { ThemeProvider } from '@mui/material/styles';
-import Toolbar from '@mui/material/Toolbar';
-import clsx from 'clsx';
-import { memo } from 'react';
-import { useSelector } from 'react-redux';
-import { selectFooterTheme } from 'app/store/fuse/settingsSlice';
-
-function FooterLayout2(props) {
-  const footerTheme = useSelector(selectFooterTheme);
-
-  return (
-    <ThemeProvider theme={footerTheme}>
-      <AppBar
-        id="fuse-footer"
-        className={clsx('relative z-20 shadow-md', props.className)}
-        color="default"
-        sx={{ backgroundColor: footerTheme.palette.background.paper }}
-      >
-        <Toolbar className="container min-h-48 md:min-h-64 px-8 sm:px-12 py-0 flex items-center overflow-x-auto">
-          Footer
-        </Toolbar>
-      </AppBar>
-    </ThemeProvider>
-  );
-}
-
-export default memo(FooterLayout2);