Revert LLVM build tool change

5 jobs for master in 7 minutes and 47 seconds (queued for 25 seconds)
Status Name Job ID Coverage
  Build
passed build:linux64 #3155
linux docker

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passed build:mac64 #3154
mac intel bash

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passed build:windows #3152
autobuild windows

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passed build:windows64 #3153
autobuild windows

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  Upload
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powershell mac m1 manual

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