Stop enabling clang-tools-extra automatically when clang is in LLVM_ENABLE_PROJECTS

If you want to build clang-tools-extra with monorepo, just add it to
LLVM_ENABLE_PROJECTS like with other projects.

See also "Separating clang-tools-extra from clang in LLVM_ENABLE_PROJECTS"
on cfe-dev.

Differential Revision: https://reviews.llvm.org/D58157


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@354057 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed