remove incorrect imageset polyfill

Author: jescalan

lib/index.js

@@ -2,7 +2,7 @@ let sugarss = require('sugarss')
 let postcssImport = require('postcss-import')
 let customProperties = require('postcss-custom-properties')
 let calc = require('postcss-calc')
-let imageSet = require('postcss-image-set')
+let imageSet = require('postcss-image-set-polyfill')
 let nesting = require('postcss-nesting')
 let customMedia = require('postcss-custom-media')
 let mediaQueriesRange = require('postcss-media-minmax')

package.json

@@ -24,7 +24,6 @@
     "postcss-custom-selectors": "^4.0.1",
     "postcss-font-family-system-ui": "^2.0.1",
     "postcss-font-variant": "^3.0.0",
-    "postcss-image-set": "^1.0.0",
     "postcss-image-set-polyfill": "^0.3.5",
     "postcss-import": "^10.0.0",
     "postcss-media-minmax": "^3.0.0",