Remove deprecated tracing function

Signed-off-by: Derek McGowan <[email protected]>

Author: dmcgowan

tracing/tracing.go

@@ -35,19 +35,6 @@ type StartConfig struct {
 
 type SpanOpt func(config *StartConfig)
 
-// WithHTTPRequest marks span as a HTTP request operation from client to server.
-// It'll append attributes from the HTTP request object and mark it with `SpanKindClient` type.
-//
-// Deprecated: use upstream functionality from otelhttp directly instead. This function is kept for API compatibility
-// but no longer works as expected due to required functionality no longer exported in OpenTelemetry libraries.
-func WithHTTPRequest(_ *http.Request) SpanOpt {
-	return func(config *StartConfig) {
-		config.spanOpts = append(config.spanOpts,
-			trace.WithSpanKind(trace.SpanKindClient), // A client making a request to a server
-		)
-	}
-}
-
 // UpdateHTTPClient updates the http client with the necessary otel transport
 func UpdateHTTPClient(client *http.Client, name string) {
 	client.Transport = otelhttp.NewTransport(