Update postcss-lh dependency

Author: James Kolce

package.json

@@ -17,7 +17,7 @@
     "node-sass": "^3.7.0",
     "postcss": "^5.0.21",
     "postcss-custom-media": "^5.0.1",
-    "postcss-lh": "jameskolce/postcss-lh",
+    "postcss-lh": "^1.1.0",
     "postcss-media-minmax": "^2.1.2",
     "postcss-pr": "^1.0.0"
   },