remove sass dependency

Author: gmsa

package.json

@@ -47,12 +47,10 @@
  "babel-core": "7.0.0-bridge.0",
  "babel-jest": "^26.6.3",
  "babel-plugin-transform-flow-comments": "^6.7.0",
- "node-sass": "^4.13.0",
  "rimraf": "^2.6.2",
- "sass-loader": "^7.0.1",
- "vue": "^2.6.12",
+ "vue": "^2.7.8",
  "vue-jest": "^3.0.7",
- "vue-template-compiler": "^2.6.12",
+ "vue-template-compiler": "^2.7.8",
  "webpack-bundle-analyzer": "^3.9.0"
  }
 }

src/App.vue

@@ -299,7 +299,7 @@
  }*/
 </style>
 
-<style lang="scss">
+<style lang="css">
 #app {
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;