Automerge: [gn build] Port e0c7f08

Author: llvmgnsyncbot

llvm/utils/gn/secondary/lld/Common/BUILD.gn

@@ -33,7 +33,6 @@ static_library("Common") {
   ]
   sources = [
     "Args.cpp",
-    "BPSectionOrdererBase.cpp",
     "CommonLinkerContext.cpp",
     "DWARF.cpp",
     "DriverDispatcher.cpp",