remove erroneous code

Author: nhsdevws

delta_backend/src/delta.py

@@ -15,7 +15,6 @@
 from log_firehose import FirehoseLogger
 
 failure_queue_url = os.environ["AWS_SQS_QUEUE_URL"]
-ieds_table_name = os.environ["IEDS_TABLE_NAME"]
 delta_table_name = os.environ["DELTA_TABLE_NAME"]
 delta_source = os.environ["SOURCE"]
 region_name = "eu-west-2"