removed unused imports

Author: shubham7109

add-feature-layers/src/main/java/com/esri/arcgisruntime/sample/addfeaturelayers/DownloadActivity.kt

@@ -3,7 +3,6 @@ package com.esri.arcgisruntime.sample.addfeaturelayers
 import android.content.Intent
 import android.os.Bundle
 import com.esri.arcgisruntime.sample.sampleslib.DownloaderActivity
-import java.io.File
 
 class DownloadActivity : DownloaderActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {

display-map-from-mobile-map-package/src/main/java/com/esri/arcgisruntime/sample/displaymapfrommobilemappackage/DownloadActivity.kt

@@ -19,7 +19,6 @@ package com.esri.arcgisruntime.sample.displaymapfrommobilemappackage
 import android.content.Intent
 import android.os.Bundle
 import com.esri.arcgisruntime.sample.sampleslib.DownloaderActivity
-import java.io.File
 
 class DownloadActivity : DownloaderActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {