Remove workaround for emscripten/GH-5121 glfw_char_callback (GH-46)
Remove workaround for emscripten/GH-5121 glfw_char_callback (GH-46)

https://github.com/satoshinm/emscripten/commit/b73a826a345eeb6e9eba632ac94ce2620330b09a
https://github.com/satoshinm/emscripten/tree/glfw_char_callback

satoshinm/NetCraft,satoshinm/NetCraft,satoshinm/NetCraft,satoshinm/NetCraft,satoshinm/NetCraft