gh-116181: Remove Py_BUILD_CORE_BUILTIN and Py_BUILD_CORE_MODULE in rotatingtree.c (#121260)

Author: aisk

Modules/rotatingtree.c

@@ -1,9 +1,4 @@
-#ifndef Py_BUILD_CORE_BUILTIN
-#  define Py_BUILD_CORE_MODULE 1
-#endif
-
 #include "Python.h"
-#include "pycore_lock.h"
 #include "rotatingtree.h"
 
 #define KEY_LOWER_THAN(key1, key2)  ((char*)(key1) < (char*)(key2))