fix(node): Revert to only use sync debugger for LocalVariables (#10077)

Author: timfish

packages/node/src/integrations/local-variables/index.ts

@@ -1,21 +1,6 @@
-import { convertIntegrationFnToClass } from '@sentry/core';
-import type { IntegrationFn } from '@sentry/types';
-import { NODE_VERSION } from '../../nodeVersion';
-import type { Options } from './common';
-import { localVariablesAsync } from './local-variables-async';
-import { localVariablesSync } from './local-variables-sync';
-
-const INTEGRATION_NAME = 'LocalVariables';
-
-/**
- * Adds local variables to exception frames
- */
-const localVariables: IntegrationFn = (options: Options = {}) => {
-  return NODE_VERSION.major < 19 ? localVariablesSync(options) : localVariablesAsync(options);
-};
+import { LocalVariablesSync } from './local-variables-sync';
 
 /**
  * Adds local variables to exception frames
  */
-// eslint-disable-next-line deprecation/deprecation
-export const LocalVariables = convertIntegrationFnToClass(INTEGRATION_NAME, localVariables);
+export const LocalVariables = LocalVariablesSync;