[gn build] Port 4e7682b

Author: llvmgnsyncbot

llvm/utils/gn/secondary/lldb/source/Plugins/SymbolFile/DWARF/BUILD.gn

@@ -55,7 +55,6 @@ static_library("DWARF") {
     "DWARFDebugInfo.cpp",
     "DWARFDebugInfoEntry.cpp",
     "DWARFDebugMacro.cpp",
-    "DWARFDebugRanges.cpp",
     "DWARFDeclContext.cpp",
     "DWARFDefines.cpp",
     "DWARFFormValue.cpp",