Delete some dead code

This code is not referred to anywhere; delete it.

Signed-off-by: Jeff Squyres <jeff@squyres.com>

Author: jsquyres

ompi/mca/coll/inter/coll_inter_allreduce.c

@@ -13,6 +13,7 @@
  * Copyright (c) 2013      Cisco Systems, Inc.  All rights reserved.
  * Copyright (c) 2015-2017 Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
+ * Copyright (c) 2023      Jeffrey M. Squyres.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow

ompi/mca/coll/libnbc/libdict/dict.c

@@ -17,34 +17,6 @@ dict_malloc_func ompi_coll_libnbc_dict_malloc = malloc;
 dict_free_func ompi_coll_libnbc_dict_free = free;
 
 
-static inline dict_malloc_func
-dict_set_malloc(dict_malloc_func func)
-{
-	dict_malloc_func old = ompi_coll_libnbc_dict_malloc;
-	ompi_coll_libnbc_dict_malloc = func ? func : malloc;
-	return old;
-}
-
-static inline dict_free_func
-dict_set_free(dict_free_func func)
-{
-	dict_free_func old = ompi_coll_libnbc_dict_free;
-	ompi_coll_libnbc_dict_free = func ? func : free;
-	return old;
-}
-
-/*
- * In comparing, we cannot simply subtract because that might result in signed
- * overflow.
- */
-static inline int
-dict_int_cmp(const void *k1, const void *k2)
-{
-	const int *a = (int*)k1, *b = (int*)k2;
-
-	return (*a < *b) ? -1 : (*a > *b) ? +1 : 0;
-}
-
 int
 ompi_coll_libnbc_dict_uint_cmp(const void *k1, const void *k2)
 {

ompi/mca/pml/cm/pml_cm_component.c

@@ -15,6 +15,7 @@
  * Copyright (c) 2020      Amazon.com, Inc. or its affiliates.
  *                         All Rights reserved.
  * Copyright (c) 2022      IBM Corporation. All rights reserved
+ * Copyright (c) 2023      Jeffrey M. Squyres.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -64,18 +65,6 @@ mca_pml_base_component_2_1_0_t mca_pml_cm_component = {
     .pmlm_finalize = mca_pml_cm_component_fini,
 };
 
-/* Array of send completion callback - one per send type
- * These are called internally by the library when the send
- * is completed from its perspective.
- */
-static void (*send_completion_callbacks[MCA_PML_BASE_SEND_SIZE])
-    (struct mca_mtl_request_t *mtl_request) =
-  { mca_pml_cm_send_request_completion,
-    mca_pml_cm_send_request_completion,
-    mca_pml_cm_send_request_completion,
-    mca_pml_cm_send_request_completion,
-    mca_pml_cm_send_request_completion } ;
-
 static int
 mca_pml_cm_component_register(void)
 {