Remove comments after header includes.

This patch removes the comments following the header includes. They were
added after running IWYU over the LLDB codebase. However they add little
value, are often outdates and burdensome to maintain.

Differential revision: https://reviews.llvm.org/D54385

llvm-svn: 346625
diff --git a/lldb/source/Utility/DataEncoder.cpp b/lldb/source/Utility/DataEncoder.cpp
index 7edee3c..c26c0fa 100644
--- a/lldb/source/Utility/DataEncoder.cpp
+++ b/lldb/source/Utility/DataEncoder.cpp
@@ -13,7 +13,7 @@
 #include "lldb/Utility/Endian.h"
 
 #include "llvm/Support/Endian.h"
-#include "llvm/Support/ErrorHandling.h" // for llvm_unreachable
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MathExtras.h"
 
 #include <cassert>