docs: removed redundant comment

src/rag/providers/qdrant.rs

@@ -193,10 +193,6 @@ impl QdrantProvider {
         }
         Client::builder()
             .default_headers(headers)
-            // reqwest picks up ambient proxy settings by default, which routes even
-            // a loopback Qdrant through whatever proxy the environment dictates and
-            // fails with that proxy's error rather than Qdrant's. Every other client
-            // in Coyote discards them the same way, in `utils::set_proxy`.
             .no_proxy()
             .build()
             .context("Failed to build reqwest client")