delete useless App.scss file

Change-Id: I793058f826f66c4920d8181b1a1f2209a0b5f91e
diff --git a/client/src/App.js b/client/src/App.js
index 7496453..b685936 100644
--- a/client/src/App.js
+++ b/client/src/App.js
@@ -7,7 +7,6 @@
 import React, { useState, useEffect } from 'react'
 import { Route, Routes, Navigate } from 'react-router-dom'
 import authManager from './AuthManager'
-import './App.scss'
 
 import SignInPage from "./pages/loginDialog.jsx"
 import JamiMessenger from "./pages/JamiMessenger.jsx"
diff --git a/client/src/App.scss b/client/src/App.scss
deleted file mode 100644
index 74b5e05..0000000
--- a/client/src/App.scss
+++ /dev/null
@@ -1,38 +0,0 @@
-.App {
-  text-align: center;
-}
-
-.App-logo {
-  height: 40vmin;
-  pointer-events: none;
-}
-
-@media (prefers-reduced-motion: no-preference) {
-  .App-logo {
-    animation: App-logo-spin infinite 20s linear;
-  }
-}
-
-.App-header {
-  background-color: #282c34;
-  min-height: 100vh;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  font-size: calc(10px + 2vmin);
-  color: white;
-}
-
-.App-link {
-  color: #61dafb;
-}
-
-@keyframes App-logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
-}