rm unused dependencies

bower.json

@@ -16,7 +16,6 @@
     "angular-material-data-table": "^0.10.9",
     "components-font-awesome": "^4.7.0",
     "angular-material-sidenav": "^0.0.14",
-    "material-design-icons": "^3.0.1",
     "angular-translate": "^2.13.1",
     "angular-translate-loader-static-files": "^2.13.1",
     "angular-translate-interpolation-messageformat": "^2.13.1",