feat(profiling-node): Refactor deprecated methods & non-hook variant (#10984)

Since all clients have hooks now, we only have this single method for
instrumentation left.

I also refactored this to not use `startTransaction` /
`finishTransaction` anymore, but instead use `spanStart` & `spanEnd`.
Everything is now centered around spans, also profiling, this just looks
at root spans now, which should be functionally the same.

I have _not_ checked if there is any behavior that used to be only
tested in non-hook tests - I simply deleted all non-hooks-only tests.
(some of the general ones I just refactored to the hooks version, as far
as this was visible from the test structure/naming).

Author: mydea

dev-packages/e2e-tests/test-applications/node-profiling/index.js

@@ -1,11 +1,11 @@
 const Sentry = require('@sentry/node');
-const Profiling = require('@sentry/profiling-node');
+const { nodeProfilingIntegration } = require('@sentry/profiling-node');
 
 const wait = ms => new Promise(resolve => setTimeout(resolve, ms));
 
 Sentry.init({
   dsn: 'https://[email protected]/6625302',
-  integrations: [new Profiling.ProfilingIntegration()],
+  integrations: [nodeProfilingIntegration()],
   tracesSampleRate: 1.0,
   profilesSampleRate: 1.0,
 });

packages/profiling-node/src/hubextensions.ts

@@ -1,5 +1 @@
-export {
-  // eslint-disable-next-line deprecation/deprecation
-  ProfilingIntegration,
-  nodeProfilingIntegration,
-} from './integration';
+export { nodeProfilingIntegration } from './integration';