docs: Remove ETHEREUM_PARALLEL_BLOCK_RANGES env var
@@ -26,8 +26,6 @@ in parallel for block retrieval (defaults to 64)
parallel (defaults to 50)
* `ETHEREUM_BLOCK_RANGE_SIZE` - number of blocks to scan for events in
each request (defaults to 10000).
-* `ETHEREUM_PARALLEL_BLOCK_RANGES` - number of block ranges to scan
- for events in parallel (defaults to 5).
## Running mapping handlers
* `GRAPH_EVENT_HANDLER_TIMEOUT`: amount of time an event handler is allowed
