[WASM SIMD] Remove opcodes that are slow on some platforms.

src/compiler/mips64/instruction-selector-mips64.cc

Index: src/compiler/mips64/instruction-selector-mips64.cc
diff --git a/src/compiler/mips64/instruction-selector-mips64.cc b/src/compiler/mips64/instruction-selector-mips64.cc
index 39a2d6b0158568eb3bc293ac2f0bfc27ae2934ab..f6c30cd3d5fe71bfc00c420d5877077938d2ee77 100644
--- a/src/compiler/mips64/instruction-selector-mips64.cc
+++ b/src/compiler/mips64/instruction-selector-mips64.cc
@@ -2798,18 +2798,10 @@ void InstructionSelector::VisitF32x4RecipApprox(Node* node) {
   VisitRR(this, kMips64F32x4RecipApprox, node);
 }
 
-void InstructionSelector::VisitF32x4RecipRefine(Node* node) {
-  VisitRRR(this, kMips64F32x4RecipRefine, node);
-}
-
 void InstructionSelector::VisitF32x4RecipSqrtApprox(Node* node) {
   VisitRR(this, kMips64F32x4RecipSqrtApprox, node);
 }
 
-void InstructionSelector::VisitF32x4RecipSqrtRefine(Node* node) {
-  VisitRRR(this, kMips64F32x4RecipSqrtRefine, node);
-}
-
 void InstructionSelector::VisitF32x4Add(Node* node) {
   VisitRRR(this, kMips64F32x4Add, node);
 }