[strong] Remove all remainders of strong mode

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index aeb5e432b9c0ebaa81addfde8ec01e760de68380..7da59bd9095c7481ce30bcddac3605c6e5188ab6 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -7170,9 +7170,9 @@ class SharedFunctionInfo: public HeapObject {
     kAllowLazyCompilation,
     kAllowLazyCompilationWithoutContext,
     kOptimizationDisabled,
+    kNeverCompiled,
     kNative,
     kStrictModeFunction,
-    kStrongModeFunction,
     kUsesArguments,
     kNeedsHomeObject,
     // byte 1
@@ -7196,7 +7196,6 @@ class SharedFunctionInfo: public HeapObject {
     kIsSetterFunction,
     // byte 3
     kDeserialized,
-    kNeverCompiled,
     kIsDeclaration,
     kCompilerHintsCount,  // Pseudo entry
   };
@@ -7246,8 +7245,6 @@ class SharedFunctionInfo: public HeapObject {
   // native tests when using integer-width instructions.
   static const int kStrictModeBit =
       kStrictModeFunction + kCompilerHintsSmiTagSize;
-  static const int kStrongModeBit =
-      kStrongModeFunction + kCompilerHintsSmiTagSize;
   static const int kNativeBit = kNative + kCompilerHintsSmiTagSize;
 
   static const int kClassConstructorBits =
@@ -7258,7 +7255,6 @@ class SharedFunctionInfo: public HeapObject {
   // native tests.
   // Allows to use byte-width instructions.
   static const int kStrictModeBitWithinByte = kStrictModeBit % kBitsPerByte;
-  static const int kStrongModeBitWithinByte = kStrongModeBit % kBitsPerByte;
   static const int kNativeBitWithinByte = kNativeBit % kBitsPerByte;
 
   static const int kClassConstructorBitsWithinByte =
@@ -7277,7 +7273,6 @@ class SharedFunctionInfo: public HeapObject {
 #error Unknown byte ordering
 #endif
   static const int kStrictModeByteOffset = BYTE_OFFSET(kStrictModeFunction);
-  static const int kStrongModeByteOffset = BYTE_OFFSET(kStrongModeFunction);
   static const int kNativeByteOffset = BYTE_OFFSET(kNative);
   static const int kFunctionKindByteOffset = BYTE_OFFSET(kFunctionKind);
 #undef BYTE_OFFSET