fix: remove plugin useless code

Author: guillaumeduhan

src/main.js

@@ -4,10 +4,7 @@ import App from './App.vue'
 import router from './router'
 import store from './store'
 
-import MyPlugin from './plugins/my-plugin'
-
 Vue.use(BootstrapVue)
-Vue.use(MyPlugin)
 
 Vue.config.productionTip = false
 Vue.prototype.$log = console.log