[Docs] Fixes broken sphinx build - undefined label

Removes label ref pointing to non-existent subsystem docs page.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@374128 91177308-0d34-0410-b5e6-96231b3b80d8
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DeForest Richards 2019-10-08 22:45:20 +00:00
parent 98dec20e19
commit b828cfeab6

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@ -101,9 +101,6 @@ of LLVM's high-level design, as well as its internals:
Introduction to the general layout of the LLVM sourcebase, important classes
and APIs, and some tips & tricks.
:ref:`index-subsystem-docs`
A collection of pages documenting various subsystems of LLVM.
`LLVM for Grad Students`__
This is an introduction to the LLVM infrastructure by Adrian Sampson. While it
has been written for grad students, it provides a good, compact overview of