revert the language clent channel change (#21872)

extensions/mssql/src/sqlToolsServer.ts

@@ -196,6 +196,28 @@ function getClientOptions(context: AppContext): ClientOptions {
 			ExecutionPlanServiceFeature,
 			TdeMigrationService.asFeature(context),
 		],
-		outputChannel: outputChannel
+		outputChannel: new CustomOutputChannel()
 	};
 }
+
+class CustomOutputChannel implements vscode.OutputChannel {
+	name: string;
+	append(value: string): void {
+		console.log(value);
+	}
+	appendLine(value: string): void {
+		console.log(value);
+	}
+	clear(): void {
+	}
+	show(preserveFocus?: boolean): void;
+	show(column?: vscode.ViewColumn, preserveFocus?: boolean): void;
+	show(column?: any, preserveFocus?: any) {
+	}
+	hide(): void {
+	}
+	dispose(): void {
+	}
+	replace(_value: string): void {
+	}
+}