remove autoupgrade support for LLVM 2.9 exception stuff. Mainline supports

LLVM 3.0 and later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145165 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Bitcode/Reader/BitcodeReader.cpp

@@ -2701,9 +2701,6 @@ bool BitcodeReader::MaterializeModule(Module *M, std::string *ErrInfo) {
   }
   std::vector<std::pair<Function*, Function*> >().swap(UpgradedIntrinsics);
 
-  // Upgrade to new EH scheme. N.B. This will go away in 3.1.
-  UpgradeExceptionHandling(M);
-
   // Check debug info intrinsics.
   CheckDebugInfoIntrinsics(TheModule);