Remove unused class PairedList (#3602)

app/src/test/java/com/keylesspalace/tusky/util/PairedListTest.kt

@@ -1,91 +0,0 @@
-package com.keylesspalace.tusky.util
-
-import org.junit.Assert.assertEquals
-import org.junit.Assert.assertNull
-import org.junit.Before
-import org.junit.Test
-
-/**
- * Tests for PairedList, with a mapper that multiples everything by 2.
- */
-class PairedListTest {
-    private lateinit var pairedList: PairedList<Int, Int>
-
-    @Before
-    fun beforeEachTest() {
-        pairedList = PairedList { it * 2 }
-        for (i in 0..10) {
-            pairedList.add(i)
-        }
-    }
-
-    @Test
-    fun pairedCopy() {
-        val copy = pairedList.pairedCopy
-        for (i in 0..10) {
-            assertEquals(i * 2, copy[i])
-        }
-    }
-
-    @Test
-    fun getPairedItem() {
-        for (i in 0..10) {
-            assertEquals(i * 2, pairedList.getPairedItem(i))
-        }
-    }
-
-    @Test
-    fun getPairedItemOrNull() {
-        for (i in 0..10) {
-            assertEquals(i * 2, pairedList.getPairedItem(i))
-        }
-        assertNull(pairedList.getPairedItemOrNull(11))
-    }
-
-    @Test
-    fun setPairedItem() {
-        pairedList.setPairedItem(2, 2)
-        assertEquals(2, pairedList.getPairedItem(2))
-    }
-
-    @Test
-    fun get() {
-        for (i in 0..10) {
-            assertEquals(i, pairedList[i])
-        }
-    }
-
-    @Test
-    fun set() {
-        assertEquals(0, pairedList[0])
-        pairedList[0] = 10
-        assertEquals(10, pairedList[0])
-        assertEquals(20, pairedList.getPairedItem(0))
-    }
-
-    @Test
-    fun add() {
-        pairedList.add(11)
-        assertEquals(11, pairedList[11])
-        assertEquals(22, pairedList.getPairedItem(11))
-    }
-
-    @Test
-    fun addAtIndex() {
-        pairedList.add(11, 11)
-        assertEquals(11, pairedList[11])
-        assertEquals(22, pairedList.getPairedItem(11))
-    }
-
-    @Test
-    fun removeAt() {
-        pairedList.removeAt(5)
-        assertEquals(6, pairedList[5])
-        assertEquals(12, pairedList.getPairedItem(5))
-    }
-
-    @Test
-    fun size() {
-        assertEquals(11, pairedList.size)
-    }
-}