Removed some comments which did not make any sense.

Review URL: http://codereview.chromium.org/159783

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2606 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/ast.h

@@ -821,9 +821,6 @@ class VariableProxy: public Expression {
     return (variable == NULL) ? false : variable->is_arguments();
   }
 
-  // If this assertion fails it means that some code has tried to
-  // treat the special "this" variable as an ordinary variable with
-  // the name "this".
   Handle<String> name() const  { return name_; }
   Variable* var() const  { return var_; }
   UseCount* var_uses()  { return &var_uses_; }

src/variables.h

@@ -162,9 +162,7 @@ class Variable: public ZoneObject {
   // be the global scope). scope() is NULL in that case. Currently the
   // scope is only used to follow the context chain length.
   Scope* scope() const  { return scope_; }
-  // If this assertion fails it means that some code has tried to
-  // treat the special this variable as an ordinary variable with
-  // the name "this".
+
   Handle<String> name() const  { return name_; }
   Mode mode() const  { return mode_; }
   bool is_accessed_from_inner_scope() const  {