Fix statistics documentation by removing snapshot_id references (#1570)

@Fokko I forgot to update the statistics documentation in the previous
PR.

Author: ndrluis

mkdocs/docs/api.md

@@ -1264,10 +1264,10 @@ Manage table statistics with operations through the `Table` API:
 
 ```python
 # To run a specific operation
-table.update_statistics().set_statistics(snapshot_id=1, statistics_file=statistics_file).commit()
+table.update_statistics().set_statistics(statistics_file=statistics_file).commit()
 # To run multiple operations
 table.update_statistics()
-  .set_statistics(snapshot_id1, statistics_file1)
+  .set_statistics(statistics_file1)
   .remove_statistics(snapshot_id2)
   .commit()
 # Operations are applied on commit.
@@ -1277,7 +1277,7 @@ You can also use context managers to make more changes:
 
 ```python
 with table.update_statistics() as update:
-    update.set_statistics(snaphsot_id1, statistics_file)
+    update.set_statistics(statistics_file)
     update.remove_statistics(snapshot_id2)
 ```
 

pyiceberg/table/__init__.py

@@ -1058,7 +1058,7 @@ def update_statistics(self) -> UpdateStatistics:
         We can also use context managers to make more changes. For example:
 
         with table.update_statistics() as update:
-            update.set_statistics(snapshot_id=1, statistics_file=statistics_file)
+            update.set_statistics(statistics_file=statistics_file)
             update.remove_statistics(snapshot_id=2)
         """
         return UpdateStatistics(transaction=Transaction(self, autocommit=True))

pyiceberg/table/update/statistics.py

@@ -43,7 +43,7 @@ class UpdateStatistics(UpdateTableMetadata["UpdateStatistics"]):
     We can also use context managers to make more changes. For example:
 
     with table.update_statistics() as update:
-        update.set_statistics(snapshot_id=1, statistics_file=statistics_file)
+        update.set_statistics(statistics_file=statistics_file)
         update.remove_statistics(snapshot_id=2)
     """