Remove platform as codeowners of sdk-sm (#1213) #1562

Job	Run time
Build Rust / Build for macos-13 x86_64-apple-darwin	3m 58s
Build Rust / Build for macos-13 aarch64-apple-darwin	3m 41s
Generate schemas / Generate schemas	3m 12s
Build Rust / Build for windows-2022 x86_64-pc-windows-msvc	4m 57s
Build Rust / Build for windows-2022 x86_64-pc-windows-gnu	4m 21s
Build Rust / Build for ubuntu-22.04 x86_64-unknown-linux-gnu	2m 1s
Build Rust / Build for ubuntu-22.04 x86_64-unknown-linux-musl	2m 30s
Build Rust / Build for ubuntu-22.04 aarch64-unknown-linux-musl	2m 27s
Build for macos-13 x86_64-apple-darwin	1m 27s
Build for macos-13 aarch64-apple-darwin	1m 16s
Build for windows-2022 x86_64-pc-windows-msvc	3m 12s
Build for ubuntu-22.04 x86_64-unknown-linux-gnu	1m 10s
	34m 12s

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