Removed unused node modules

• Removed:
- unused node modules: react-sparklines, sass, sass-loader, sass-resources-loader

package.json

@@ -145,7 +145,6 @@
     "react-redux-loading-bar": "^4.0.8",
     "react-router-dom": "^4.1.1",
     "react-router-scroll-4": "^1.0.0-beta.1",
-    "react-sparklines": "^1.7.0",
     "react-stickynode": "^2.1.1",
     "react-swipeable-views": "^0.13.0",
     "react-textarea-autosize": "^7.1.0",
@@ -157,9 +156,6 @@
     "reselect": "^4.0.0",
     "rimraf": "^2.6.3",
     "sanitize-html": "^1.22.0",
-    "sass": "^1.20.3",
-    "sass-loader": "^7.0.3",
-    "sass-resources-loader": "^2.0.1",
     "stringz": "^1.0.0",
     "style-loader": "^1.1.3",
     "substring-trie": "^1.0.2",