Revert "ML extension updates (#11817)" (#12645)

This reverts commit 037d638927.

src/sql/workbench/api/common/sqlExtHost.api.impl.ts

@@ -539,7 +539,6 @@ export function createAdsApiFactory(accessor: ServicesAccessor): IAdsExtensionAp
 
 			return {
 				accounts,
-				ButtonType: sqlExtHostTypes.ButtonType,
 				connection,
 				credentials,
 				objectexplorer: objectExplorer,

src/sql/workbench/api/common/sqlExtHostTypes.ts

@@ -862,9 +862,3 @@ export enum SqlAssessmentResultItemKind {
 	Warning = 1,
 	Error = 2
 }
-
-export enum ButtonType {
-	File = 'File',
-	Normal = 'Normal',
-	Informational = 'Informational'
-}