remove unused entry (microsoft#162237)

fix 162230

Author: meganrogge

src/vs/workbench/contrib/terminal/browser/xterm/decorationAddon.ts

@@ -496,6 +496,7 @@ export class DecorationAddon extends Disposable implements ITerminalAddon {
 			}
 			await this._configurationService.updateValue(TerminalSettingId.ShellIntegrationDecorationsEnabled, newValue);
 		});
+		quickPick.ok = false;
 		quickPick.show();
 	}
 }