* Remove `id` and `aria-labelledby` from all SVGs
* Update SVGLint configuration
* Remove `aria-labelledby` from documentation
* Remove `aria-labelledby` from website
because why not
* Update React Icon and color
Updated the Icon as part of #588, found the color was incorrect as well
(new color is extracted from the SVG on the source site).
* Update Coursera icon, color and link
Updated the Coursera icon based on the one I found on the updated
source, also updated the color.
* Update Co-op icon and color
Updated the Co-op icon based on the SVG in the header on the provided
source, also updated the color based on the same SVG.
* Update 500px icon
Updated the 500px icon based on the icon found in the provided source.
