chore: small fix of logging (#1620)

Author: Genesis929

bigframes/session/bq_caching_executor.py

@@ -332,10 +332,6 @@ def _run_execute_query(
         if not self.strictly_ordered:
             job_config.labels["bigframes-mode"] = "unordered"
 
-        # Note: add_and_trim_labels is global scope which may have unexpected effects
-        # Ensure no additional labels are added to job_config after this point,
-        # as `add_and_trim_labels` ensures the label count does not exceed 64.
-        bq_io.add_and_trim_labels(job_config, api_name=api_name)
         try:
             iterator, query_job = bq_io.start_query_with_client(
                 self.bqclient,

bigframes/session/loader.py

@@ -292,7 +292,7 @@ def read_gbq_table(
         index_col: Iterable[str] | str | bigframes.enums.DefaultIndexKind = (),
         columns: Iterable[str] = (),
         max_results: Optional[int] = None,
-        api_name: str,
+        api_name: str = "read_gbq_table",
         use_cache: bool = True,
         filters: third_party_pandas_gbq.FiltersType = (),
         enable_snapshot: bool = True,
@@ -401,7 +401,7 @@ def read_gbq_table(
                 query,
                 index_col=index_cols,
                 columns=columns,
-                api_name="read_gbq_table",
+                api_name=api_name,
                 use_cache=use_cache,
             )