* Remove `id` and `aria-labelledby` from all SVGs
* Update SVGLint configuration
* Remove `aria-labelledby` from documentation
* Remove `aria-labelledby` from website
because why not
* add new icons
- add icon for AT&T
- add icon for T-mobile
- add icon for Sprint
- add icon for Cricket
- add icon for Verizon
- add icon for Boost
- add icon for Framer
- add icon for Sketch
- Update _data/simple-icons.json with new icon data
* remove `<g>` from svg files
- remove `<g>` from svg files to address svglint error
* add apple pay
- Add apple pay
- Update simple-icons.json
* make changes per review
Changes were made based on review 9/9/18.
* fixed AT&T naming
