Remove type lookup and casting in double loop during INSERT statement…

… when loading dbt seeds.

dbt/include/databricks/macros/materializations/seeds/helpers.sql

@@ -20,9 +20,7 @@
           insert {% if loop.index0 == 0 -%} overwrite {% else -%} into {% endif -%} {{ this.render() }} values
           {% for row in chunk -%}
               ({%- for col_name in agate_table.column_names -%}
-                  {%- set inferred_type = adapter.convert_type(agate_table, loop.index0) -%}
-                  {%- set type = column_override.get(col_name, inferred_type) -%}
-                    cast({{ get_binding_char() }} as {{type}})
+                  {{ get_binding_char() }}
                   {%- if not loop.last%},{%- endif %}
               {%- endfor -%})
               {%- if not loop.last%},{%- endif %}