Don't doc unstable features on git for now

The generated HTML is too large to upload to gh-pages :(

Author: alexcrichton

azure-pipelines.yml

@@ -327,8 +327,6 @@ jobs:
         displayName: "Document js-sys"
       - script: cargo doc --no-deps --manifest-path crates/web-sys/Cargo.toml --all-features
         displayName: "Document web-sys"
-        env:
-          RUSTDOCFLAGS: --cfg=web_sys_unstable_apis
       - script: cargo doc --no-deps --manifest-path crates/futures/Cargo.toml
         displayName: "Document wasm-bindgen-futures"
       # Make a tarball even though a zip is uploaded, it looks like the tarball