Remove default external types and Integrationexternal.

Author: onurtemizkan

packages/integration-tests/utils/generatePage.ts

@@ -100,9 +100,8 @@ export async function generatePage(
           externals: useBundle
             ? {
                 // To help Webpack resolve Sentry modules in `import` statements in cases where they're provided in bundles rather than in `node_modules`
-                '@sentry/browser': 'var Sentry',
-                '@sentry/tracing': 'var Sentry',
-                Integrations: 'var Sentry.Integrations',
+                '@sentry/browser': 'Sentry',
+                '@sentry/tracing': 'Sentry',
               }
             : {},
           output: {