[py] Remove precompiled binaries from sdist #7881

Job	Run time
Check	9m 1s
Java	0s
Ruby	0s
.NET	0s
Python / Build / Build	4m 7s
Rust / Build / Build	3m 42s
Rust / Tests (ubuntu) / Tests (ubuntu)	3m 39s
Rust / Tests (windows) / Tests (windows)	5m 1s
Rust / Tests (macos) / Tests (macos)	4m 22s
Python / Documentation	58s
Python / Lint	21s
Python / Mypy	47s
Python / Remote Tests / Integration Tests (remote)	12m 59s
Rust / Windows Stable	5m 28s
Rust / Linux Stable	2m 51s
Rust / Windows Debug	3m 47s
Rust / Linux Debug	2m 51s
Rust / MacOS Stable	8m 47s
Rust / MacOS Debug	5m 19s
Rust / Release Binaries	0s
	1h 14m 0s

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