Exclude the wasm-bindgen example from the workspace

tomhoule · tomhoule · commit f9c9cbc6a089 · 2018-06-29T17:16:41.000+02:00
It does not compile on stable/beta, so it broke CI.
diff --git a/Cargo.toml b/Cargo.toml
@@ -20,7 +20,6 @@ serde_json = "1.0"
 [workspace]
 members = [
     ".",
-    "examples/call_from_js",
     "examples/github",
     "graphql_query_derive",
     "graphql_client_cli",
