Remove unused stdint.h includes

Include/longintrepr.h

@@ -37,10 +37,6 @@ extern "C" {
   platform.
 */
 
-#if HAVE_STDINT_H
-#include <stdint.h>
-#endif
-
 #if PYLONG_BITS_IN_DIGIT == 30
 #if !(defined HAVE_UINT64_T && defined HAVE_UINT32_T &&          \
       defined HAVE_INT64_T && defined HAVE_INT32_T)

Include/pymath.h

@@ -3,10 +3,6 @@
 
 #include "pyconfig.h" /* include for defines */
 
-#ifdef HAVE_STDINT_H
-#include <stdint.h>
-#endif
-
 /**************************************************************************
 Symbols and macros to supply platform-independent interfaces to mathematical
 functions and constants