Remove writers

backend/data_import/pipeline/writers.py

@@ -1,11 +0,0 @@
-from .readers import BaseReader
-from projects.models import Project
-
-
-class Writer:
-    def __init__(self, batch_size: int):
-        self.batch_size = batch_size
-
-    def save(self, reader: BaseReader, project: Project, user, labeled_examples):
-        for batch in reader.batch(self.batch_size, labeled_examples):
-            batch.create(project, user)