cmProjectCommand: Port away from cmCommand

Source/cmProjectCommand.h

@@ -8,41 +8,9 @@
 #include <string>
 #include <vector>
 
-#include <cm/memory>
-
-#include "cmCommand.h"
-
 class cmExecutionStatus;
 
-/** \class cmProjectCommand
- * \brief Specify the name for this build project.
- *
- * cmProjectCommand is used to specify a name for this build project.
- * It is defined once per set of CMakeList.txt files (including
- * all subdirectories). Currently it just sets the name of the workspace
- * file for Microsoft Visual C++
- */
-class cmProjectCommand : public cmCommand
-{
-public:
-  /**
-   * This is a virtual constructor for the command.
-   */
-  std::unique_ptr<cmCommand> Clone() override
-  {
-    return cm::make_unique<cmProjectCommand>();
-  }
-
-  /**
-   * This is called when the command is first encountered in
-   * the CMakeLists.txt file.
-   */
-  bool InitialPass(std::vector<std::string> const& args,
-                   cmExecutionStatus& status) override;
-
-private:
-  bool IncludeByVariable(const std::string& variable);
-  void TopLevelCMakeVarCondSet(const char* name, const char* value);
-};
+bool cmProjectCommand(std::vector<std::string> const& args,
+                      cmExecutionStatus& status);
 
 #endif