chore: remove unused parameter (#33704)

superset/db_engine_specs/base.py

@@ -373,9 +373,6 @@ class BaseEngineSpec:  # pylint: disable=too-many-public-methods
     allows_cte_in_subquery = True
     # Define alias for CTE
     cte_alias = "__cte"
-    # This set will give keywords for select statements
-    # to consider for the engines with TOP SQL parsing
-    select_keywords: set[str] = {"SELECT"}
     # A set of disallowed connection query parameters by driver name
     disallow_uri_query_params: dict[str, set[str]] = {}
     # A Dict of query parameters that will always be used on every connection

superset/db_engine_specs/teradata.py

@@ -24,7 +24,6 @@ class TeradataEngineSpec(BaseEngineSpec):
     engine = "teradatasql"
     engine_name = "Teradata"
     max_column_name_length = 30  # since 14.10 this is 128
-    select_keywords = {"SELECT", "SEL"}
 
     _time_grain_expressions = {
         None: "{col}",