[material-next] Drop the package (#41544)

.codesandbox/ci.json

@@ -12,7 +12,6 @@
     "packages/mui-icons-material",
     "packages/mui-joy",
     "packages/mui-lab",
-    "packages/mui-material-next",
     "packages/mui-material-nextjs",
     "packages/mui-material",
     "packages/mui-private-theming",
@@ -37,7 +36,6 @@
     "@mui/internal-scripts": "packages-internal/scripts",
     "@mui/joy": "packages/mui-joy/build",
     "@mui/lab": "packages/mui-lab/build",
-    "@mui/material-next": "packages/mui-material-next/build",
     "@mui/material-nextjs": "packages/mui-material-nextjs/build",
     "@mui/material": "packages/mui-material/build",
     "@mui/private-theming": "packages/mui-private-theming/build",

babel.config.js

@@ -30,7 +30,6 @@ module.exports = function getBabelConfig(api) {
     '@mui/private-theming': resolveAliasPath('./packages/mui-private-theming/src'),
     '@mui/base': resolveAliasPath('./packages/mui-base/src'),
     '@mui/utils': resolveAliasPath('./packages/mui-utils/src'),
-    '@mui/material-next': resolveAliasPath('./packages/mui-material-next/src'),
     '@mui/joy': resolveAliasPath('./packages/mui-joy/src'),
     '@pigment-css/react': resolveAliasPath('./packages/pigment-css-react/src'),
     '@mui/internal-docs-utils': resolveAliasPath('./packages-internal/docs-utils/src'),

docs/data/material/components/badges/badges.md

@@ -71,18 +71,3 @@ You can't rely on the content of the badge to be announced correctly.
 You should provide a full description, for instance, with `aria-label`:
 
 {{"demo": "AccessibleBadges.js"}}
-
-## Experimental APIs
-
-### Material Design 3
-
-The default Material UI Badge component follows the Material Design 2 specs.
-To use the [M3](https://m3.material.io/) version, install the experimental `@mui/material-next` package.
-
-```js
-import Badge from '@mui/material-next/Badge';
-```
-
-{{"demo": "BadgeMaterialYouPlayground.js", "hideToolbar": true, "bg": "playground"}}
-
-To learn more about Material UI's M3 implementation, visit the [M3 Components documentation](/material-ui/guides/material-3-components/).

docs/data/material/components/button-group/button-group.md

@@ -55,16 +55,3 @@ You can remove the elevation with the `disableElevation` prop.
 You can use the [`<LoadingButton />`](/material-ui/react-button/#loading-button) from [`@mui/lab`](/material-ui/about-the-lab/) in the button group.
 
 {{"demo": "LoadingButtonGroup.js"}}
-
-### Material Design 3
-
-The default Material UI Button Group component follows the Material Design 2 specs.
-To use the [M3](https://m3.material.io/) version, install the experimental `@mui/material-next` package.
-
-```js
-import ButtonGroup from '@mui/material-next/ButtonGroup';
-```
-
-{{"demo": "ButtonGroupMaterialYouPlayground.js", "hideToolbar": true, "bg": "playground"}}
-
-To learn more about Material UI's M3 implementation, visit the [M3 Components documentation](/material-ui/guides/material-3-components/).

docs/data/material/components/buttons/buttons.md

@@ -196,18 +196,3 @@ To prevent this, ensure that the contents of the Loading Button are nested insid
   <span>Submit</span>
 </LoadingButton>
 ```
-
-:::
-
-### Material Design 3
-
-The default Material UI Button component follows the Material Design 2 specs.
-To use the [M3](https://m3.material.io/) version, install the experimental `@mui/material-next` package.
-
-```js
-import Button from '@mui/material-next/Button';
-```
-
-{{"demo": "ButtonMaterialYouPlayground.js", "hideToolbar": true, "bg": "playground"}}
-
-To learn more about Material UI's M3 implementation, visit the [M3 Components documentation](/material-ui/guides/material-3-components/).

docs/data/material/components/chips/chips.md

@@ -97,21 +97,6 @@ gain depth while clicked or touched.
 
 {{"demo": "ChipsPlayground.js", "hideToolbar": true}}
 
-## Experimental API
-
-### Material Design 3
-
-The default Material UI Chip component follows the Material Design 2 specs.
-To use the [M3](https://m3.material.io/) version, install the experimental `@mui/material-next` package.
-
-```js
-import Chip from '@mui/material-next/Chip';
-```
-
-{{"demo": "ChipMaterialYouPlayground.js", "hideToolbar": true, "bg": "playground"}}
-
-To learn more about Material UI's M3 implementation, visit the [M3 Components documentation](/material-ui/guides/material-3-components/).
-
 ## Accessibility
 
 If the Chip is deletable or clickable then it is a button in tab order. When the Chip is focused (for example when tabbing) releasing (`keyup` event) `Backspace` or `Delete` will call the `onDelete` handler while releasing `Escape` will blur the Chip.