[VPlan] Remove unused VPWidenIntrinsicRecipe constructor (NFC)

Author: fhahn

llvm/lib/Transforms/Vectorize/VPlan.h

@@ -1273,12 +1273,6 @@ class VPWidenIntrinsicRecipe : public VPRecipeWithIRFlags {
                          !Attrs.hasFnAttr(Attribute::WillReturn);
   }
 
-  VPWidenIntrinsicRecipe(Intrinsic::ID VectorIntrinsicID,
-                         std::initializer_list<VPValue *> CallArguments,
-                         Type *Ty, DebugLoc DL = {})
-      : VPWidenIntrinsicRecipe(VectorIntrinsicID,
-                               ArrayRef<VPValue *>(CallArguments), Ty, DL) {}
-
   ~VPWidenIntrinsicRecipe() override = default;
 
   VPWidenIntrinsicRecipe *clone() override {