Revert "Update VPlanVerify"

This reverts commit 51235cf.

Author: Mel-Chen

llvm/lib/Transforms/Vectorize/VPlanVerifier.cpp

@@ -180,10 +180,6 @@ bool VPlanVerifier::verifyEVLRecipe(const VPInstruction &EVL) const {
                  return VerifyEVLUse(*I, 3);
                }
              })
-             .Case<VPWidenIntrinsicRecipe>(
-                 [&](const VPWidenIntrinsicRecipe *I) {
-                   return VerifyEVLUse(*I, I->getNumOperands() - 1);
-                 })
              .Default([&](const VPUser *U) {
                errs() << "EVL has unexpected user\n";
                return false;