Auto merge of #11718 - perlun:patch-3, r=metajack

Removed reference to update-core

It's `pacman -Su` nowadays, per https://github.com/Alexpux/MSYS2-pacman/pull/26.

(This is a very selective cherry-pick of #11392. The other parts were more controversial; they didn't fully work so let's disregard them for now.)

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This commit is contained in:
bors-servo 2016-06-12 06:47:29 -05:00 committed by GitHub
commit 7f4fe45639

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@ -81,7 +81,7 @@ Install MSYS2 from [here](https://msys2.github.io/). After you have done so, ope
window and update the core libraries and install new packages:
```sh
update-core
pacman -Su
pacman -Sy git mingw-w64-x86_64-toolchain mingw-w64-x86_64-freetype \
mingw-w64-x86_64-icu mingw-w64-x86_64-nspr mingw-w64-x86_64-ca-certificates \
mingw-w64-x86_64-expat mingw-w64-x86_64-cmake tar diffutils patch \