chore(v8): Clean up some dead code (#10831)

- test we forgot to delete fully
- comments that don't apply anymore

Author: AbhiPrasad

dev-packages/browser-integration-tests/suites/tracing/browserTracingIntegration/http-timings/test.ts

@@ -26,7 +26,6 @@ sentryTest('should create fetch spans with http timing @firefox', async ({ brows
   const envelopes = await getMultipleSentryEnvelopeRequests<SerializedEvent>(page, 2, { url, timeout: 10000 });
   const tracingEvent = envelopes[envelopes.length - 1]; // last envelope contains tracing data on all browsers
 
-  // eslint-disable-next-line deprecation/deprecation
   const requestSpans = tracingEvent.spans?.filter(({ op }) => op === 'http.client');
 
   expect(requestSpans).toHaveLength(3);

dev-packages/browser-integration-tests/suites/tracing/browsertracing/tracePropagationTargets/customTargetsAndOrigins/init.js

@@ -179,7 +179,6 @@ export interface Client<O extends ClientOptions = ClientOptions> {
   recordDroppedEvent(reason: EventDropReason, dataCategory: DataCategory, event?: Event): void;
 
   // HOOKS
-  // TODO(v8): Make the hooks non-optional.
   /* eslint-disable @typescript-eslint/unified-signatures */
 
   /**