[turbofan] Remove the unused asm.js types from TypeCache.

src/compiler/access-info.h

Index: src/compiler/access-info.h
diff --git a/src/compiler/access-info.h b/src/compiler/access-info.h
index daa872286fed7977cec0dfc3c392cc175d53a252..8c49a62c5029c321708fe9ed6da8f3de6732bb9c 100644
--- a/src/compiler/access-info.h
+++ b/src/compiler/access-info.h
@@ -17,10 +17,12 @@ namespace internal {
 // Forward declarations.
 class CompilationDependencies;
 class Factory;
-class TypeCache;
 
 namespace compiler {
 
+// Forward declarations.
+class TypeCache;
+
 // Whether we are loading a property or storing to a property.
 enum class AccessMode { kLoad, kStore };