[gn build] Remove unhelpful default for goma_dir
authorNico Weber <thakis@chromium.org>
Wed, 15 Dec 2021 23:39:21 +0000 (18:39 -0500)
committerNico Weber <thakis@chromium.org>
Wed, 15 Dec 2021 23:39:53 +0000 (18:39 -0500)
commit65146382b379037f560b30ab661e28d6e00be948
tree6be0633da6effda9931bebb727525d152f35eede
parent7ca355225d530acb24b50a5fcccf5c40938b30bf
[gn build] Remove unhelpful default for goma_dir

The default hasn't worked in over 9 months now.

Getting a friendly error message if this isn't set is more useful than getting
a bad default value.

Differential Revision: https://reviews.llvm.org/D115833
llvm/utils/gn/build/toolchain/BUILD.gn