* Rm gradient buttons from Storybook
* TEMP move storybook button section
* Remove gradient_sky
* Remove actual defs for gradient_sky and gradient_primary
* Remove other gradient defs
* Remove gradient support entirely
* Deprecate 'variant' in favor of 'color'
* Fork base styles codepath to make variant deprecation more obvious
* Remove text styles for when no color is set, never been used
* Fork text styles codepath to make variant deprecation more obvious
* Revert temp storybook commit, remove deprecated values
* Replace remaining gradient button usage
* Update Buttons storybook section
* Update tiny styles
* Update small styles
* Update large sizes
* Ensure proper alignment of buttons in storybook
* Update button colors
* Rename negative_secondary to negative_subtle
* Remove unnecessary select()
* Update icon size and gap
* Update negative_subtle styles
* Custom button colors
* Add borderCurve
Eric Bailey