Clean up lazysizes configuration

[sean-au]

Old lazysize config was

params:
  image:
    lazysizes: true

new config is

params:
  image:
    loading: lazy/auto/lazysizes #defaults to auto
    sizes: user/lazysizes #defaults to user (100vw or .loading)

   


<hr /><em>This discussion was created from the release <a href='https://github.com/future-wd/hugo-responsive-images/releases/tag/v1.0.10'>Clean up lazysizes configuration</a>.</em>