Drop multidex library dependency

This is only required if we are supporting <Android 5.0

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

app/build.gradle

@@ -48,7 +48,6 @@ android {
         versionName "4.2.3"
 
         vectorDrawables.useSupportLibrary = true
-        multiDexEnabled true
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
@@ -111,8 +110,6 @@ easylauncher {
 }
 
 dependencies {
-    //MultiDex for Kitkat support
-    implementation "androidx.multidex:multidex:2.0.1"
 
     //Protobuf
     implementation "com.google.protobuf:protobuf-javalite:3.22.3"

app/src/main/java/com/aurora/store/AuroraApplication.kt

@@ -20,11 +20,11 @@
 
 package com.aurora.store
 
+import android.app.Application
 import android.app.NotificationChannel
 import android.app.NotificationManager
 import android.os.Build
 import androidx.appcompat.app.AppCompatDelegate
-import androidx.multidex.MultiDexApplication
 import com.aurora.Constants
 import com.aurora.extensions.isPAndAbove
 import com.aurora.store.data.downloader.DownloadManager
@@ -39,7 +39,7 @@ import nl.komponents.kovenant.android.startKovenant
 import nl.komponents.kovenant.android.stopKovenant
 import org.lsposed.hiddenapibypass.HiddenApiBypass
 
-class AuroraApplication : MultiDexApplication() {
+class AuroraApplication : Application() {
 
     private lateinit var fetch: Fetch
     private lateinit var packageManagerReceiver: PackageManagerReceiver