Nuke the old JIT.

I am sure we will be finding bits and pieces of dead code for years to
come, but this is a good start.

Thanks to Lang Hames for making MCJIT a good replacement!

llvm-svn: 215111
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.cpp b/llvm/lib/Target/ARM/ARMSubtarget.cpp
index c1b4562..2ce083c 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.cpp
+++ b/llvm/lib/Target/ARM/ARMSubtarget.cpp
@@ -15,7 +15,6 @@
 #include "ARMFrameLowering.h"
 #include "ARMISelLowering.h"
 #include "ARMInstrInfo.h"
-#include "ARMJITInfo.h"
 #include "ARMSelectionDAGInfo.h"
 #include "ARMSubtarget.h"
 #include "ARMMachineFunctionInfo.h"
@@ -158,7 +157,7 @@
       ARMProcClass(None), stackAlignment(4), CPUString(CPU), IsLittle(IsLittle),
       TargetTriple(TT), Options(Options), TargetABI(ARM_ABI_UNKNOWN),
       DL(computeDataLayout(initializeSubtargetDependencies(CPU, FS))),
-      TSInfo(DL), JITInfo(),
+      TSInfo(DL),
       InstrInfo(isThumb1Only()
                     ? (ARMBaseInstrInfo *)new Thumb1InstrInfo(*this)
                     : !isThumb()