[all components] Remove all IE 11 support

[oliviertassinari]

Summary

The discussion started from #12119.

Per mui/material-ui#40958 (comment), It's safe to say that IE 11 will be entirely gone from Material UI v6, so it makes sense for MUI X too. This is simpler to reason with and a bit smaller in bundle size. In terms of timing, it could be as early as MUI X v7, we started to rely on https://caniuse.com/?search=sticky in #10059 so 😄

• Removal of legacy bundle [all components] Remove legacy IE 11 bundle #12151. This will help with https://packagephobia.com/.
• Update the migration guide
• …

Examples

There are examples in the Material UI repository to why IE 11 is no longer relevant, e.g. Ant Design removed it a long time ago. For closer comparison to MUI X, you can find AG Grid, support removal released early 2022: https://blog.ag-grid.com/whats-new-in-ag-grid-27/.

Motivation

No response

Search keywords: IE 11

[github-actions]

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