Remove some extra verbosity from format

Signed-off-by: Mark McLoughlin <[email protected]>

Author: markmc

docs/sdg/sdg-flow-yaml.md

@@ -26,23 +26,21 @@ The YAML file format will mirror the API and look like this:
 
 ```yaml
 version: 1.0
-block_configs:
-  - block_type: LLMBlock
-    block_config: # LLMBlock constructor kwargs
-      block_name: gen_knowledge
+blocks:
+  - name: gen_knowledge
+    type: LLMBlock
+    config: # LLMBlock constructor kwargs
       output_cols: ["question", "response"]
     gen_kwargs: # kwargs for block.generate()
       max_tokens": 2048,
     drop_duplicates: ["question"]
-  - block_type: FilterByValueBlock
-    block_config:
-      block_name: filter_faithfulness
-      filter_column": judgment
+  - name: filter_faithfulness
+    type: FilterByValueBlock
+    config:
+      filter_column: judgment
       filter_value: YES
-      operation: operator.eq
-      batch_kwargs:
-        num_procs: 8
-     drop_columns: ["judgment", "explanation"]
+      operation: eq
+      drop_columns: ["judgment", "explanation"]
 ```
 
 ## Versioning