Remove unusued imports

package.json

@@ -28,7 +28,6 @@
     "filesize": "^3.1.2",
     "flux": "~2.0.3",
     "gfm.css": "^1.1.1",
-    "highlight.js": "^8.9.1",
     "linkifyjs": "^2.0.0-beta.4",
     "matrix-js-sdk": "https://github.com/matrix-org/matrix-js-sdk.git#develop",
     "matrix-react-sdk": "https://github.com/matrix-org/matrix-react-sdk.git#develop",
@@ -38,8 +37,7 @@
     "react-dnd": "^2.0.2",
     "react-dnd-html5-backend": "^2.0.0",
     "react-dom": "^0.14.2",
-    "react-gemini-scrollbar": "^2.0.1",
-    "sanitize-html": "^1.0.0"
+    "react-gemini-scrollbar": "^2.0.1"
   },
   "devDependencies": {
     "babel": "^5.8.23",