Revert of [turbofan] Osr value typing + dynamic type checks on entry.

src/compiler/common-operator.cc

Index: src/compiler/common-operator.cc
diff --git a/src/compiler/common-operator.cc b/src/compiler/common-operator.cc
index 8ed4bae950b46da040773044055b79ba84dae162..e57160a3f8553411ee0722e1c9a7e3b6255de15a 100644
--- a/src/compiler/common-operator.cc
+++ b/src/compiler/common-operator.cc
@@ -208,31 +208,6 @@
     os << elem;
   }
   return os;
-}
-
-int OsrValueIndexOf(Operator const* op) {
-  DCHECK_EQ(IrOpcode::kOsrValue, op->opcode());
-  return OpParameter<int>(op);
-}
-
-size_t hash_value(OsrGuardType type) { return static_cast<size_t>(type); }
-
-std::ostream& operator<<(std::ostream& os, OsrGuardType type) {
-  switch (type) {
-    case OsrGuardType::kUninitialized:
-      return os << "Uninitialized";
-    case OsrGuardType::kSignedSmall:
-      return os << "SignedSmall";
-    case OsrGuardType::kAny:
-      return os << "Any";
-  }
-  UNREACHABLE();
-  return os;
-}
-
-OsrGuardType OsrGuardTypeOf(Operator const* op) {
-  DCHECK_EQ(IrOpcode::kOsrGuard, op->opcode());
-  return OpParameter<OsrGuardType>(op);
 }
 
 #define CACHED_OP_LIST(V)                                                     \
@@ -805,6 +780,7 @@
       ParameterInfo(index, debug_name));         // parameter info
 }
 
+
 const Operator* CommonOperatorBuilder::OsrValue(int index) {
   return new (zone()) Operator1<int>(                // --
       IrOpcode::kOsrValue, Operator::kNoProperties,  // opcode
@@ -813,13 +789,6 @@
       index);                                        // parameter
 }
 
-const Operator* CommonOperatorBuilder::OsrGuard(OsrGuardType type) {
-  return new (zone()) Operator1<OsrGuardType>(  // --
-      IrOpcode::kOsrGuard, Operator::kNoThrow,  // opcode
-      "OsrGuard",                               // name
-      1, 1, 1, 1, 1, 0,                         // counts
-      type);                                    // parameter
-}
 
 const Operator* CommonOperatorBuilder::Int32Constant(int32_t value) {
   return new (zone()) Operator1<int32_t>(         // --