address comments

Author: chelsea-lin

bigframes/core/rewrite/identifiers.py

@@ -76,20 +76,14 @@ def remap_variables(
         new_root = typing.cast(nodes.InNode, new_root)
         new_root = dataclasses.replace(
             new_root,
-            left_col=new_root.left_col.remap_column_refs(
-                new_child_mappings[0], allow_partial_bindings=True
-            ),
+            left_col=new_root.left_col.remap_column_refs(new_child_mappings[0]),
         )
     elif isinstance(new_root, nodes.JoinNode):
         new_root = typing.cast(nodes.JoinNode, new_root)
         new_conds = tuple(
             (
-                l_cond.remap_column_refs(
-                    new_child_mappings[0], allow_partial_bindings=True
-                ),
-                r_cond.remap_column_refs(
-                    new_child_mappings[1], allow_partial_bindings=True
-                ),
+                l_cond.remap_column_refs(new_child_mappings[0]),
+                r_cond.remap_column_refs(new_child_mappings[1]),
             )
             for l_cond, r_cond in new_root.conditions
         )