VED-26: Remove unused AWS clients.

Author: mfjarvis

backend/src/aws_clients.py

@@ -4,8 +4,4 @@
 
 REGION_NAME = os.getenv("AWS_REGION", "eu-west-2")
 
-s3_client = boto3_client("s3", region_name=REGION_NAME)
-kinesis_client = boto3_client("kinesis", region_name=REGION_NAME)
-lambda_client = boto3_client("lambda", region_name=REGION_NAME)
-firehose_client = boto3_client("firehose", region_name=REGION_NAME)
 sqs_client = boto3_client("sqs", region_name=REGION_NAME)