Revert "[DWARF] Extract indexing code into a separate class hierarchy"

This reverts commit r332719 due to breaking this green dragon build:
http://green.lab.llvm.org/green/job/lldb-xcode/6644

llvm-svn: 332730

Author: aemerson

lldb/source/Plugins/SymbolFile/DWARF/AppleDWARFIndex.cpp

@@ -1,5 +1,4 @@
 add_lldb_library(lldbPluginSymbolFileDWARF PLUGIN
-  AppleDWARFIndex.cpp
   DIERef.cpp
   DWARFAbbreviationDeclaration.cpp
   DWARFASTParserClang.cpp
@@ -24,11 +23,9 @@ add_lldb_library(lldbPluginSymbolFileDWARF PLUGIN
   DWARFDIE.cpp
   DWARFDIECollection.cpp
   DWARFFormValue.cpp
-  DWARFIndex.cpp
   DWARFUnit.cpp
   HashedNameToDIE.cpp
   LogChannelDWARF.cpp
-  ManualDWARFIndex.cpp
   NameToDIE.cpp
   SymbolFileDWARF.cpp
   SymbolFileDWARFDwo.cpp