Update server.py

Author: jkschneider

rewrite-python/rewrite/src/rewrite/rpc/server.py

@@ -878,13 +878,7 @@ def _category_descriptor_to_dict(descriptor) -> dict:
 
 
 def _recipe_descriptor_to_dict(descriptor) -> dict:
-    """Convert a RecipeDescriptor to a dict for JSON serialization.
-
-    Java's `RecipeDescriptor.getXxx()` getters for collection-valued fields
-    are treated as never-null by callers (matching what `Recipe.getDescriptor()`
-    upholds locally). Always emit the collection keys, even when empty, so
-    Jackson on the Java side never leaves them null.
-    """
+    """Convert a RecipeDescriptor to a dict for JSON serialization."""
     return {
         'name': descriptor.name,
         'displayName': descriptor.display_name,