[v7] feat(browser): Remove top level eventbuilder exports (#4887)

These exports were historically used in `@sentry/electron`, but are no longer being used by the Electron SDK or the React Native SDK, so they can be removed.

packages/browser/src/exports.ts

@@ -44,6 +44,5 @@ export {
 export { BrowserOptions } from './backend';
 export { BrowserClient } from './client';
 export { injectReportDialog, ReportDialogOptions } from './helpers';
-export { eventFromException, eventFromMessage } from './eventbuilder';
 export { defaultIntegrations, forceLoad, init, lastEventId, onLoad, showReportDialog, flush, close, wrap } from './sdk';
 export { SDK_NAME } from './version';