ktlint: Drop unused sample test

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/test/java/com/aurora/store/ExampleUnitTest.kt

@@ -1,35 +0,0 @@
-/*
- * Aurora Store
- *  Copyright (C) 2021, Rahul Kumar Patel <whyorean@gmail.com>
- *
- *  Aurora Store is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  Aurora Store is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with Aurora Store.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-package com.aurora.store
-
-import org.junit.Assert.*
-import org.junit.Test
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
-class ExampleUnitTest {
-    @Test
-    fun addition_isCorrect() {
-        assertEquals(4, 2 + 2)
-    }
-}