Clean up dependencies

app/package.json

@@ -35,15 +35,12 @@
     "jquery": "^3.3.1",
     "lodash.debounce": "^4.0.8",
     "lodash.throttle": "^4.1.1",
-    "monaco-editor-webpack-plugin": "^1.7.0",
     "moving-average": "^1.0.0",
     "number-abbreviate": "^2.0.0",
     "prismjs": "^1.15.0",
     "react": "16.8",
     "react-ace": "^6.3.2",
     "react-dom": "^16.7.0",
-    "react-json-view": "^1.19.1",
-    "react-monaco-editor": "^0.24.0",
     "react-redux": "^6.0.0",
     "react-resize-detector": "^3.4.0",
     "react-split-pane": "^0.1.85",