Revert r247692: Replace Triple with a new TargetTuple in MCTargetDesc/* and related. NFC.

Eric has replied and has demanded the patch be reverted.

llvm-svn: 247702
diff --git a/llvm/lib/MC/MCDisassembler/Disassembler.cpp b/llvm/lib/MC/MCDisassembler/Disassembler.cpp
index 3d02162..82063fb 100644
--- a/llvm/lib/MC/MCDisassembler/Disassembler.cpp
+++ b/llvm/lib/MC/MCDisassembler/Disassembler.cpp
@@ -83,7 +83,7 @@
   // Set up the instruction printer.
   int AsmPrinterVariant = MAI->getAssemblerDialect();
   MCInstPrinter *IP = TheTarget->createMCInstPrinter(
-      TargetTuple(Triple(TT)), AsmPrinterVariant, *MAI, *MII, *MRI);
+      Triple(TT), AsmPrinterVariant, *MAI, *MII, *MRI);
   if (!IP)
     return nullptr;
 
@@ -310,8 +310,7 @@
       int AsmPrinterVariant = MAI->getAssemblerDialect();
       AsmPrinterVariant = AsmPrinterVariant == 0 ? 1 : 0;
       MCInstPrinter *IP = DC->getTarget()->createMCInstPrinter(
-          TargetTuple(Triple(DC->getTripleName())), AsmPrinterVariant, *MAI,
-          *MII, *MRI);
+          Triple(DC->getTripleName()), AsmPrinterVariant, *MAI, *MII, *MRI);
       if (IP) {
         DC->setIP(IP);
         DC->addOptions(LLVMDisassembler_Option_AsmPrinterVariant);