Revert of Make non-Module generators only context allocate parameters.

src/ast/scopes.h

Index: src/ast/scopes.h
diff --git a/src/ast/scopes.h b/src/ast/scopes.h
index a4f76b6037892ee5ac7292b70f6cffd7fc5080d6..ba7aa020b6c0f44c40cf5584089c7c2feaec1775 100644
--- a/src/ast/scopes.h
+++ b/src/ast/scopes.h
@@ -323,13 +323,6 @@
   bool has_forced_context_allocation() const {
     return force_context_allocation_;
   }
-  void ForceContextAllocationForParameters() {
-    DCHECK(!already_resolved_);
-    force_context_allocation_for_parameters_ = true;
-  }
-  bool has_forced_context_allocation_for_parameters() const {
-    return force_context_allocation_for_parameters_;
-  }
 
   // ---------------------------------------------------------------------------
   // Predicates.
@@ -581,7 +574,6 @@
   // True if one of the inner scopes or the scope itself calls eval.
   bool inner_scope_calls_eval_ : 1;
   bool force_context_allocation_ : 1;
-  bool force_context_allocation_for_parameters_ : 1;
 
   // True if it holds 'var' declarations.
   bool is_declaration_scope_ : 1;