Crate: feature flag the wasm client.

This is a tad unfortunate but should get around cargo pulling in wasm dependencies when not building for wasm.

Cargo.toml

@@ -15,8 +15,8 @@ edition = "2018"
 # when the default feature set is updated, verify that the `--features` flags in
 # `.github/workflows/ci.yaml` are updated accordingly
 default = ["h1-client", "middleware-logger", "encoding"]
-h1-client = ["wasm-client", "http-client/h1_client"]
-native-client = ["curl-client", "wasm-client", "http-client/native_client"]
+h1-client = ["http-client/h1_client"]
+native-client = ["curl-client", "http-client/native_client"]
 curl-client = ["http-client/curl_client"]
 wasm-client = ["http-client/wasm_client"]
 middleware-logger = []