[CodeGen] Remove unused declaration createVLIWSched

The declaration was added without a corresponding function by:

  commit cc3bb85580189d4a004cfd9bd2d6286cd1c1169f
  Author: James Nagurne <j-nagurne@ti.com>
  Date:   Fri Oct 22 17:08:16 2021 -0500

diff --git a/llvm/include/llvm/CodeGen/VLIWMachineScheduler.h b/llvm/include/llvm/CodeGen/VLIWMachineScheduler.h
index 74f2caa..bd12baa 100644 (file)
--- a/llvm/include/llvm/CodeGen/VLIWMachineScheduler.h
+++ b/llvm/include/llvm/CodeGen/VLIWMachineScheduler.h
@@ -264,8 +264,6 @@ protected:
 #endif
 };
 
-ScheduleDAGMILive *createVLIWSched(MachineSchedContext *C);
-
 } // end namespace llvm
 
 #endif // LLVM_CODEGEN_VLIWMACHINESCHEDULER_H