Remove unused exec_affinity.cuh include from place_partition.cuh

place_partition.cuh does not use exec_affinity; the include was a leftover.

Made-with: Cursor

Author: caugonnet

cudax/include/cuda/experimental/__stf/places/place_partition.cuh

@@ -25,7 +25,6 @@
 #  pragma system_header
 #endif // no system header
 
-#include <cuda/experimental/__stf/internal/exec_affinity.cuh>
 #include <cuda/experimental/__stf/places/exec/cuda_stream.cuh>
 #include <cuda/experimental/__stf/places/exec/green_context.cuh>
 #include <cuda/experimental/__stf/places/places.cuh>