remove testDeepOverrides

Author: siriwatknp

packages/material-ui/src/IconButton/IconButton.test.js

@@ -18,7 +18,6 @@ describe('<IconButton />', () => {
  refInstanceof: window.HTMLButtonElement,
  muiName: 'MuiIconButton',
  testVariantProps: { edge: 'end', disabled: true },
- testDeepOverrides: { slotName: 'label', slotClassName: classes.label },
  skip: ['componentProp', 'componentsProp'],
  }));