Remove unused Module-related AST nodes and associated codegen

src/bailout-reason.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_BAILOUT_REASON_H_
 #define V8_BAILOUT_REASON_H_
 
 namespace v8 {
 namespace internal {
 
@@ skipping 138 matching lines @@
   V(kJSObjectWithFastElementsMapHasSlowElements,                               \
     "JSObject with fast elements map has slow elements")                       \
   V(kLetBindingReInitialization, "Let binding re-initialization")              \
   V(kLhsHasBeenClobbered, "lhs has been clobbered")                            \
   V(kLiveBytesCountOverflowChunkSize, "Live Bytes Count overflow chunk size")  \
   V(kLiveEdit, "LiveEdit")                                                     \
   V(kLookupVariableInCountOperation, "Lookup variable in count operation")     \
   V(kMapBecameDeprecated, "Map became deprecated")                             \
   V(kMapBecameUnstable, "Map became unstable")                                 \
   V(kMapIsNoLongerInEax, "Map is no longer in eax")                            \
-  V(kModuleDeclaration, "Module declaration")                                  \
-  V(kModuleLiteral, "Module literal")                                          \
-  V(kModulePath, "Module path")                                                \
-  V(kModuleStatement, "Module statement")                                      \
-  V(kModuleVariable, "Module variable")                                        \
-  V(kModuleUrl, "Module url")                                                  \
   V(kNativeFunctionLiteral, "Native function literal")                         \
   V(kNeedSmiLiteral, "Need a Smi literal here")                                \
   V(kNoCasesLeft, "No cases left")                                             \
   V(kNoEmptyArraysHereInEmitFastOneByteArrayJoin,                              \
     "No empty arrays here in EmitFastOneByteArrayJoin")                        \
   V(kNonInitializerAssignmentToConst, "Non-initializer assignment to const")   \
   V(kNonSmiIndex, "Non-smi index")                                             \
   V(kNonSmiKeyInArrayLiteral, "Non-smi key in array literal")                  \
   V(kNonSmiValue, "Non-smi value")                                             \
   V(kNonObject, "Non-object value")                                            \
@@ skipping 157 matching lines @@
 };
 #undef ERROR_MESSAGES_CONSTANTS
 
 
 const char* GetBailoutReason(BailoutReason reason);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BAILOUT_REASON_H_