Android: Remove migration code in UploadTask.

The migration code from version 4.0.9 to 4.0.10 has been deleted from the UploadTask. This code was previously necessary to handle uploads through different worker instances, but its purpose is no longer relevant or needed in the current context.

src/android/UploadTask.java

@@ -92,21 +92,10 @@ public final class UploadTask extends Worker {
 
     private PendingUpload nextPendingUpload;
 
-    private static boolean firstMigrationFlag = false;
-
     public UploadTask(@NonNull Context context, @NonNull WorkerParameters workerParams) {
 
         super(context, workerParams);
 
-        // Migrating code from 4.0.9 to 4.0.10 - Check if upload comes from another worker and does not exists in table
-        String oldUploadTaskId = workerParams.getInputData().getString(KEY_INPUT_ID);
-        if (!firstMigrationFlag && oldUploadTaskId != null && AckDatabase.getInstance(getApplicationContext()).pendingUploadDao().getById(oldUploadTaskId) == null) {
-            FileTransferBackground.logMessage("Migrating upload " + oldUploadTaskId);
-            AckDatabase.getInstance(getApplicationContext()).pendingUploadDao().insert(new PendingUpload(oldUploadTaskId, workerParams.getInputData()));
-            FileTransferBackground.logMessage("Retrying migrated upload " + oldUploadTaskId + " after some seconds...");
-            firstMigrationFlag = true;
-        }
-
         nextPendingUpload = AckDatabase.getInstance(getApplicationContext()).pendingUploadDao().getFirstPendingEntry();
 
         if (httpClient == null) {
@@ -147,15 +136,6 @@ public Result doWork() {
             return Result.retry();
         }
 
-        // Migrating code from 4.0.9 to 4.0.10 - Check if upload comes from another worker and does not exists in table
-        String oldUploadTaskId = getInputData().getString(KEY_INPUT_ID);
-        if (oldUploadTaskId != null && AckDatabase.getInstance(getApplicationContext()).pendingUploadDao().getById(oldUploadTaskId) == null && firstMigrationFlag == true) {
-            FileTransferBackground.logMessage("Migrating upload " + oldUploadTaskId);
-            AckDatabase.getInstance(getApplicationContext()).pendingUploadDao().insert(new PendingUpload(oldUploadTaskId, getInputData()));
-            FileTransferBackground.logMessage("Retrying migrated upload " + oldUploadTaskId + " after some seconds...");
-            return Result.success();
-        }
-
         do {
             nextPendingUpload = AckDatabase.getInstance(getApplicationContext()).pendingUploadDao().getFirstPendingEntry();