Extract http from util (#11680)

This avoids the CLI linking libssl etc...

Release Notes:

- N/A

crates/extension/src/extension_store_test.rs

@@ -10,6 +10,7 @@ use collections::BTreeMap;
 use fs::{FakeFs, Fs, RealFs};
 use futures::{io::BufReader, AsyncReadExt, StreamExt};
 use gpui::{Context, TestAppContext};
+use http::{FakeHttpClient, Response};
 use language::{LanguageMatcher, LanguageRegistry, LanguageServerBinaryStatus, LanguageServerName};
 use node_runtime::FakeNodeRuntime;
 use parking_lot::Mutex;
@@ -22,10 +23,7 @@ use std::{
     sync::Arc,
 };
 use theme::ThemeRegistry;
-use util::{
-    http::{FakeHttpClient, Response},
-    test::temp_tree,
-};
+use util::test::temp_tree;
 
 #[cfg(test)]
 #[ctor::ctor]