Remove class wrap for constructors in Rust exports #1325

Job	Run time
Check	1m 39s
Check	1m 39s
build_examples	4m 23s
build_examples	4m 23s
build_nightly	3m 9s
build_nightly	3m 9s
build_benchmarks	1m 26s
build_benchmarks	1m 26s
Verify that web-sys is compiled correctly	1m 29s
Verify that web-sys is compiled correctly	1m 29s
Clippy	2m 25s
Clippy	2m 28s
dist_linux_aarch64_gnu	3m 42s
dist_linux_aarch64_gnu	3m 42s
dist_linux_x86_64_musl	3m 14s
dist_linux_x86_64_musl	3m 14s
dist_macos_aarch64	3m 26s
dist_macos_aarch64	3m 26s
dist_macos_x86_64	3m 15s
dist_macos_x86_64	3m 15s
dist_windows	3m 31s
dist_windows	3m 31s
doc_api	1m 32s
doc_api	1m 32s
doc_book	32s
doc_book	32s
Rustfmt	17s
Rustfmt	17s
Build and test the deno example	1m 33s
Build and test the deno example	1m 33s
Run js-sys crate tests	3m 25s
Run js-sys crate tests	3m 25s
Run native tests	3m 49s
Run native tests	3m 49s
Run wasm-bindgen crate tests with multithreading enabled	4m 22s
Run wasm-bindgen crate tests with multithreading enabled	4m 22s
Test TypeScript output of wasm-bindgen	1m 29s
Test TypeScript output of wasm-bindgen	1m 29s
Run UI compile-fail tests	3m 14s
Run UI compile-fail tests	3m 14s
Run wasm-bindgen crate tests (unix)	15m 20s
Run wasm-bindgen crate tests (unix)	15m 20s
Run web-sys crate tests	5m 0s
Run web-sys crate tests	5m 0s
Run wasm-bindgen-webidl crate tests	3m 23s
Run wasm-bindgen-webidl crate tests	3m 23s
test_examples	4m 4s
test_examples	4m 4s
deploy	1m 14s
deploy	1m 14s
	2h 41m 49s

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