mediawiki.mixins: Remove obsolete `.list-style-image-svg()` mixin

All known uses of this workaround for old browsers like IE 6-8 have
been updated to not rely on mixin any more.
Therefore removing obsolete mixin definition.

Bug: T220327
Change-Id: Ica2d4f86d03249c179c255f905fa9b2deeea841e

diff --git a/resources/src/mediawiki.less/mediawiki.mixins.less b/resources/src/mediawiki.less/mediawiki.mixins.less
index 4c5b4a7..4684ea2 100644 (file)
--- a/resources/src/mediawiki.less/mediawiki.mixins.less
+++ b/resources/src/mediawiki.less/mediawiki.mixins.less
@@ -40,12 +40,6 @@
        list-style-image: e( '/* @embed */' ) url( @url );
 }
 
-.list-style-image-svg( @svg, @fallback ) {
-       list-style-image: e( '/* @embed */' ) url( @svg );
-       /* Fallback to PNG bullet for IE 8 and below using CSS hack */
-       list-style-image: e( '/* @embed */' ) url( @fallback ) e( '\9' );
-}
-
 .hyphens( @value: auto ) {
        & when ( @value = auto ) {
                // Legacy `word-wrap`; IE 6-11, Edge 12+, Firefox 3.5+, Chrome 4+, Safari 3.1+,