Remove very old unused file

InvenTree/InvenTree/utils.py

@@ -1,13 +0,0 @@
-from rest_framework.views import exception_handler
-
-
-def api_exception_handler(exc, context):
-    response = exception_handler(exc, context)
-
-    # Now add the HTTP status code to the response.
-    if response is not None:
-
-        data = {'error': response.data}
-        response.data = data
-
-    return response