Extract http from util (#11680)

This avoids the CLI linking libssl etc...

Release Notes:

- N/A

crates/semantic_index/examples/index.rs

@@ -1,6 +1,7 @@
 use client::Client;
 use futures::channel::oneshot;
 use gpui::App;
+use http::HttpClientWithUrl;
 use language::language_settings::AllLanguageSettings;
 use project::Project;
 use semantic_index::{OpenAiEmbeddingModel, OpenAiEmbeddingProvider, SemanticIndex};
@@ -9,7 +10,6 @@ use std::{
     path::{Path, PathBuf},
     sync::Arc,
 };
-use util::http::HttpClientWithUrl;
 
 fn main() {
     env_logger::init();