Remove flashing of the kawaii logo

[yusukebe]

This!:

https://github.com/honojs/website/assets/10682/bb499d53-f34a-42b0-9a91-4250530a1eae

[ryuapp]

To fix this, we need to modify home layout. Therefore, it's best to fix this issue at the same time as we change the landing page.

I think it's difficult to fix it easily because Vite ~~Press~~ does the same thing. https://vitejs.dev/?uwu=true commit: https://github.com/vitejs/vite/commit/6a7dde54e4ac357798d7124894ff71cb36a36985

[yusukebe]

I think it's difficult to fix it easily because VitePress does the same thing.

Oh...