Remove \brief commands from doxygen comments.

Summary: This is similar to D46290 D46320.

Reviewers: ruiu, grimar

Subscribers: mehdi_amini, llvm-commits

Differential Revision: https://reviews.llvm.org/D46861

llvm-svn: 332372
diff --git a/lld/unittests/DriverTests/DarwinLdDriverTest.cpp b/lld/unittests/DriverTests/DarwinLdDriverTest.cpp
index 696be69..0c1d779 100644
--- a/lld/unittests/DriverTests/DarwinLdDriverTest.cpp
+++ b/lld/unittests/DriverTests/DarwinLdDriverTest.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 ///
 /// \file
-/// \brief Darwin's ld driver tests.
+/// Darwin's ld driver tests.
 ///
 //===----------------------------------------------------------------------===//