Revert "[DebugInfo] Generate fixups as emitting DWARF .debug_frame/.eh_frame."

This reverts commit 17e3cbf5fe656483d9016d0ba9e1d0cd8629379e.

llvm-svn: 366444
diff --git a/llvm/lib/MC/MCAsmBackend.cpp b/llvm/lib/MC/MCAsmBackend.cpp
index b800e9c..9b1102c 100644
--- a/llvm/lib/MC/MCAsmBackend.cpp
+++ b/llvm/lib/MC/MCAsmBackend.cpp
@@ -73,7 +73,6 @@
       {"FK_Data_2", 0, 16, 0},
       {"FK_Data_4", 0, 32, 0},
       {"FK_Data_8", 0, 64, 0},
-      {"FK_Data_6b", 0, 6, 0},
       {"FK_PCRel_1", 0, 8, MCFixupKindInfo::FKF_IsPCRel},
       {"FK_PCRel_2", 0, 16, MCFixupKindInfo::FKF_IsPCRel},
       {"FK_PCRel_4", 0, 32, MCFixupKindInfo::FKF_IsPCRel},
@@ -94,12 +93,10 @@
       {"FK_Data_Add_2", 0, 16, 0},
       {"FK_Data_Add_4", 0, 32, 0},
       {"FK_Data_Add_8", 0, 64, 0},
-      {"FK_Data_Add_6b", 0, 6, 0},
       {"FK_Data_Sub_1", 0, 8, 0},
       {"FK_Data_Sub_2", 0, 16, 0},
       {"FK_Data_Sub_4", 0, 32, 0},
-      {"FK_Data_Sub_8", 0, 64, 0},
-      {"FK_Data_Sub_6b", 0, 6, 0}};
+      {"FK_Data_Sub_8", 0, 64, 0}};
 
   assert((size_t)Kind <= array_lengthof(Builtins) && "Unknown fixup kind");
   return Builtins[Kind];