Typography: Remove overwriting of anchor elements

Closes gh-84
Closes gh-81

Author: sfrisk

scss/atoms/typography/_mixins.scss

@@ -1,26 +1,3 @@
 // ==========================================================================
 // Typography functions
 // ==========================================================================
-
-// Adds a single pixel underline (so nice) on retina
-// Usage: `@include slime-underline;`
-@mixin slim-underline() {
-	text-decoration: none;
-	background-image: linear-gradient( to bottom, rgba( 0, 0, 0, 0 ) 75%, #000 50% );
-	background-repeat: repeat-x;
-	background-size: 2px 2px;
-	background-position: 0 em( 22px );
-
-	&:hover,
-	&:active,
-	&:focus {
-		background-size: 2px 6px;
-		background-position: 0 em( 18px );
-	}
-	@media not all,
-	only screen and ( min-resolution: 2dppx ),
-	only screen and ( -webkit-min-device-pixel-ratio: 2 ) {
-		background-image: linear-gradient( to bottom, rgba( 0, 0, 0, 0 ) 75%, #000 75% );
-		background-repeat: repeat-x;
-	}
-}

scss/atoms/typography/_typography.scss

@@ -107,12 +107,6 @@ a {
 	}
 }
 
-p > a {
-	// Good example of slim underline. We'll want to use this on body copy/quotes
-	color: inherit;
-	@include slim-underline;
-}
-
 b,
 strong {
 	font-weight: $bold;