Revert "Restore the lazy initialization of ScriptInterpreterPython, which was lost as part of the SystemLifetimeManager work"

This change breaks python unit tests.

This reverts commit 266033.

llvm-svn: 266050

lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.h

@@ -371,6 +371,9 @@ public:
 
     void ResetOutputFileHandle(FILE *new_fh) override;
 
+    static void
+    InitializePrivate ();
+
     static void
     InitializeInterpreter (SWIGInitCallback python_swig_init_callback,
                            SWIGBreakpointCallbackFunction swig_breakpoint_callback,
@@ -504,9 +507,6 @@ public:
     };
 
 protected:
-    static void
-    InitializePrivate ();
-
     class SynchronicityHandler
     {
     private: