refactor: simplification (#709)

Author: mfranzke

source/_patterns/00-base/icons/_icons.helpers.scss

@@ -32,9 +32,7 @@
 
 		content: var(--icon-glyph-#{$position});
 		// Hiding icon from screenreaders
-		@supports (content: ""/"") {
-			content: var(--icon-glyph-#{$position}) / ""; // https://www.w3.org/TR/css-content-3/#alt
-		}
+		content: var(--icon-glyph-#{$position}) / ""; // https://www.w3.org/TR/css-content-3/#alt
 
 		@if $partial {
 			display: inline-block;