Converted modals to Bootstrap 4 Material Design

package.json

@@ -60,8 +60,8 @@
     "postcss-css-variables": "^0.8.1",
     "postcss-import": "^11.1.0",
     "postcss-loader": "^2.1.4",
-    "sass-loader": "^7.0.2",
     "prompt": "^1.0.0",
+    "sass-loader": "^7.0.2",
     "sitemap": "^1.13.0",
     "style-loader": "^0.21.0",
     "url-loader": "^1.0.1",
@@ -79,7 +79,6 @@
     "bignumber.js": "^7.0.1",
     "bootstrap-colorpicker": "^2.5.2",
     "bootstrap-material-design": "^4.1.1",
-    "bootstrap-switch": "^3.3.4",
     "bson": "^2.0.6",
     "chi-squared": "^1.1.0",
     "crypto-api": "^0.8.0",