message: Remove mention of deprecated `glow_canvas` feature in `README`
diff: @@ -200,10 +200,8 @@ end-user-oriented GUI library, while keeping [the ecosystem] modular:
  [`ggez`]: https://github.com/ggez/ggez
  [the ecosystem]: ECOSYSTEM.md
  -## Common problems
  -
  -1. `Error: GraphicsAdapterNotFound`
  -
  +## Troubleshooting
  +### `GraphicsAdapterNotFound`
  This occurs when the selected [built-in renderer] is not able to create a context.
  Often this will occur while using [`iced_wgpu`] as the renderer without
  @@ -212,7 +210,7 @@ end-user-oriented GUI library, while keeping [the ecosystem] modular:
  First, check if it works with
  ```console
  - $ cargo run --features "iced/glow iced/glow_canvas" --package game_of_life
  +$ cargo run --features iced/glow --package game_of_life
  ```
  and then use it in your project with
  