Revert "Use debug version of MSVC runtime library on debug" #1911

Job	Run time
Test wasm (wasm32-unknown-unknown)	15s
Test build-std (aarch64-tvos)	1m 42s
Test build-std (aarch64-tvos-sim)	1m 41s
Clippy	17s
Test CUDA support	25s
Test build-std (x86_64-tvos)	1m 39s
MSRV (ubuntu-latest)	19s
Rustfmt	9s
MSRV (windows-latest)	35s
semver-checks	13s
MSRV (macos-latest)	27s
Test (stable)	1m 21s
Test wasm32-wasip1-thread	29s
Test (beta)	1m 16s
Test (nightly)	1m 14s
Test (linux32)	1m 58s
Test (macos)	2m 48s
Test (aarch64-macos)	1m 43s
Test (aarch64-ios)	50s
Test (win32)	2m 11s
Test (win64)	3m 14s
Test (mingw32)	2m 17s
Test (mingw64)	2m 28s
Test (windows-2019)	4m 4s
Test (windows-aarch64, windows-latest, stable, aarch64-pc-windows-msvc, --no-run)	1m 25s
Test (windows-clang, windows-2019, stable, x86_64-pc-windows-msvc, clang, clang++)	4m 13s
Test (windows-clang-cl, windows-2019, stable, x86_64-pc-windows-msvc, clang-cl, clang-cl)	2m 7s
	41m 20s

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