Cleanup a bit more code

Author: WalshyDev

src/tracing.ts

@@ -190,11 +190,6 @@ export class Trace extends Span {
 		}
 		headers.append('content-type', 'application/json');
 
-		// TODO: Properly pass trace context down and update the tests
-		if (!headers.has('x-trace-id')) {
-			headers.append('x-trace-id', this.getTraceId());
-		}
-
 		let body;
 		if (this.#tracerOptions.collector.transformer) {
 			body = this.#tracerOptions.collector.transformer.transform(this);