Revert "TUN-6576: Consume cf-trace-id from incoming TCP requests to create root span"

This reverts commit f48a7cd3dd.

connection/connection_test.go

@@ -30,8 +30,6 @@ var (
 	testLargeResp = make([]byte, largeFileSize)
 )
 
-var _ ReadWriteAcker = (*HTTPResponseReadWriteAcker)(nil)
-
 type testRequest struct {
 	name           string
 	endpoint       string
@@ -62,7 +60,7 @@ type mockOriginProxy struct{}
 
 func (moc *mockOriginProxy) ProxyHTTP(
 	w ResponseWriter,
-	tr *tracing.TracedHTTPRequest,
+	tr *tracing.TracedRequest,
 	isWebsocket bool,
 ) error {
 	req := tr.Request