Revert r169456, "change MCContext to work on the doInitialization/doFinalization model"

It broke many builders.

llvm-svn: 169462

llvm/lib/CodeGen/MachineModuleInfo.cpp

@@ -270,9 +270,6 @@ MachineModuleInfo::~MachineModuleInfo() {
 }
 
 bool MachineModuleInfo::doInitialization(Module &M) {
-  
-  Context.doInitialization();
-
   ObjFileMMI = 0;
   CompactUnwindEncoding = 0;
   CurCallSite = 0;
@@ -294,8 +291,6 @@ bool MachineModuleInfo::doFinalization(Module &M) {
   delete AddrLabelSymbols;
   AddrLabelSymbols = 0;
 
-  Context.doFinalization();
-
   return false;
 }