add no-unused and react/recommended to eslint (#1523)

* add no-unused-vars and no-unused-imports

* added quotes: double, and remove ignore pattern

* move itif and describeif into utils

Signed-off-by: Sebastian Malton <sebastian@malton.name>

src/renderer/lens-app.tsx

@@ -1,6 +1,5 @@
 import "../common/system-ca";
 import React from "react";
-import { ipcRenderer } from "electron";
 import { Route, Router, Switch } from "react-router";
 import { observer } from "mobx-react";
 import { userStore } from "../common/user-store";