[RISCV] Fix clang-tidy warning about else after return. NFC

Author: lukel97

llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp

@@ -1551,7 +1551,9 @@ void RISCVInsertVSETVLI::doLocalPostpass(MachineBasicBlock &MBB) {
         ToDelete.push_back(&MI);
         // Leave NextMI unchanged
         continue;
-      } else if (canMutatePriorConfig(MI, *NextMI, Used, *MRI)) {
+      }
+
+      if (canMutatePriorConfig(MI, *NextMI, Used, *MRI)) {
         if (!isVLPreservingConfig(*NextMI)) {
           MI.getOperand(0).setReg(NextMI->getOperand(0).getReg());
           MI.getOperand(0).setIsDead(false);