chore(deps): remove unused react-is

[hi-ogawa]

Description

It looks like styled-components uses it internally (so [email protected] is still inside lockfile), but it can be removed from dependencies.

$ pnpm why -r react-is
Legend: production dependency, optional only, dev only

playground-emotion /home/hiroshi/code/others/vite-plugin-react/packages/plugin-react-swc/playground/emotion (PRIVATE)

dependencies:
@emotion/react 11.14.0
└─┬ hoist-non-react-statics 3.3.2
  └── react-is 16.13.1
@emotion/styled 11.14.1
└─┬ @emotion/react 11.14.0 peer
  └─┬ hoist-non-react-statics 3.3.2
    └── react-is 16.13.1

playground-emotion-plugin /home/hiroshi/code/others/vite-plugin-react/packages/plugin-react-swc/playground/emotion-plugin (PRIVATE)

dependencies:
@emotion/react 11.14.0
└─┬ hoist-non-react-statics 3.3.2
  └── react-is 16.13.1
@emotion/styled 11.14.1
└─┬ @emotion/react 11.14.0 peer
  └─┬ hoist-non-react-statics 3.3.2
    └── react-is 16.13.1

playground-styled-components /home/hiroshi/code/others/vite-plugin-react/packages/plugin-react-swc/playground/styled-components (PRIVATE)

devDependencies:
@types/styled-components 5.1.34
└─┬ @types/hoist-non-react-statics 3.3.6
  └─┬ hoist-non-react-statics 3.3.2
    └── react-is 16.13.1

@vitejs/test-react-emotion /home/hiroshi/code/others/vite-plugin-react/playground/react-emotion (PRIVATE)

dependencies:
@emotion/react 11.14.0
└─┬ hoist-non-react-statics 3.3.2
  └── react-is 16.13.1
@emotion/styled 11.14.1
└─┬ @emotion/react 11.14.0 peer
  └─┬ hoist-non-react-statics 3.3.2
    └── react-is 16.13.1
react-switch 7.1.0
└─┬ prop-types 15.8.1
  └── react-is 16.13.1