Remove `attr.cpp.archetype_eager` codegen attribute #16348

Job	Run time
paths-filter	7s
Checks / Check if running codegen would produce any changes	1m 23s
Checks / Rerun lints	44s
Checks / Lint markdown	20s
Checks / Spell Check	8s
Checks / Misc formatting	21s
Checks / markdown-paths-filter	5s
Checks / Check links	0s
Python Checks	0s
Deploy Landing Preview	0s
Minimum CLI Build / Set Config (linux-x64)	3s
C++ tests / C++ formatting check	3m 30s
C++ tests / matrix_prep	5s
Rust Checks / Rust lints (fmt, check, clippy, tests, doc)	9m 10s
Rust Checks / Test on ${{ matrix.name }}	0s
Build web viewer / Build web viewer	3m 16s
Build rerun_js / Build rerun_js	4m 11s
Minimum CLI Build / Build rerun-cli (ubuntu-latest-16-cores)	5m 27s
C++ tests / C++ build & test - Linux x64, C++17	5m 52s
C++ tests / C++ build & test - Linux x64, C++20	6m 1s
C++ tests / C++ build & test - Windows x64	12m 19s
C++ tests / C++ build & test - Mac aarch64	11m 13s
Upload Web / Upload web build to google cloud (wasm32 + wasm-bindgen)	10s
Minimum Wheel Build / Set Config (linux-x64)	2s
Minimum Wheel Build / Build Wheels (ubuntu-latest-16-cores)	2m 32s
Minimum Wheel Test / Set Config (linux-x64)	1s
Minimum Wheel Test / Test Wheels (ubuntu-latest-16-cores)	4m 11s
	1h 11m 11s

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