[wasm] Removed dead code.

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/1760613002

Cr-Commit-Position: refs/heads/master@{#34442}

src/compiler/raw-machine-assembler.h

@@ -457,22 +457,12 @@ class RawMachineAssembler {
   Node* TryTruncateFloat32ToInt64(Node* a) {
     return AddNode(machine()->TryTruncateFloat32ToInt64(), a);
   }
-  Node* TruncateFloat64ToInt64(Node* a) {
-    // TODO(ahaas): Remove this function as soon as it is not used anymore in
-    // WebAssembly.
-    return AddNode(machine()->TryTruncateFloat64ToInt64(), a);
-  }
   Node* TryTruncateFloat64ToInt64(Node* a) {
     return AddNode(machine()->TryTruncateFloat64ToInt64(), a);
   }
   Node* TryTruncateFloat32ToUint64(Node* a) {
     return AddNode(machine()->TryTruncateFloat32ToUint64(), a);
   }
-  Node* TruncateFloat64ToUint64(Node* a) {
-    // TODO(ahaas): Remove this function as soon as it is not used anymore in
-    // WebAssembly.
-    return AddNode(machine()->TryTruncateFloat64ToUint64(), a);
-  }
   Node* TryTruncateFloat64ToUint64(Node* a) {
     return AddNode(machine()->TryTruncateFloat64ToUint64(), a);
   }

test/cctest/compiler/test-run-machops.cc

@@ -5907,7 +5907,7 @@ TEST(RunTryTruncateFloat32ToUint64WithCheck) {
 
 TEST(RunTryTruncateFloat64ToUint64WithoutCheck) {
   BufferedRawMachineAssemblerTester<uint64_t> m(MachineType::Float64());
-  m.Return(m.TruncateFloat64ToUint64(m.Parameter(0)));
+  m.Return(m.TryTruncateFloat64ToUint64(m.Parameter(0)));
 
   FOR_UINT64_INPUTS(j) {
     double input = static_cast<double>(*j);