command should nto be inherited

Source/cmAddCustomCommandCommand.h

@@ -45,12 +45,6 @@ public:
    */
   virtual bool InitialPass(std::vector<std::string> const& args);
 
-  /**
-   * This determines if the command gets propagated down
-   * to makefiles located in subdirectories.
-   */
-  virtual bool IsInherited() {return true;}
-
   /**
    * The name of the command as specified in CMakeList.txt.
    */