utils: remove custom g_ptr_array_find_with_equal_func()

This was required when building with GLib < 2.54, but we now require
2.56 as minimum, so it is no longer needed.

src/Makefile.am

@@ -306,7 +306,7 @@ ModemManager_SOURCES = \
 	main.c \
 	mm-context.h \
 	mm-context.c \
-	mm-utils.h mm-utils.c \
+	mm-utils.h \
 	mm-private-boxed-types.h \
 	mm-private-boxed-types.c \
 	mm-auth-provider.h \

src/mm-utils.c

@@ -1,47 +0,0 @@
-/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details:
- *
- * Singleton support imported from NetworkManager.
- *     (C) Copyright 2014 Red Hat, Inc.
- *
- * GPtrArray lookup with GEqualFunc imported from GLib 2.48
- */
-
-#include "mm-utils.h"
-
-#if !GLIB_CHECK_VERSION(2,54,0)
-
-gboolean
-mm_ptr_array_find_with_equal_func (GPtrArray     *haystack,
-				   gconstpointer  needle,
-				   GEqualFunc     equal_func,
-				   guint         *index_)
-{
-  guint i;
-
-  g_return_val_if_fail (haystack != NULL, FALSE);
-
-  if (equal_func == NULL)
-      equal_func = g_direct_equal;
-
-  for (i = 0; i < haystack->len; i++) {
-      if (equal_func (g_ptr_array_index (haystack, i), needle)) {
-          if (index_ != NULL)
-              *index_ = i;
-          return TRUE;
-      }
-  }
-
-  return FALSE;
-}
-
-#endif

src/mm-utils.h

@@ -80,16 +80,4 @@
     }                                                                   \
     MM_DEFINE_SINGLETON_DESTRUCTOR(TYPE)
 
-
-#if !GLIB_CHECK_VERSION(2,54,0)
-
-/* Pointer Array lookup with a GEqualFunc, imported from GLib 2.54 */
-#define g_ptr_array_find_with_equal_func mm_ptr_array_find_with_equal_func
-gboolean mm_ptr_array_find_with_equal_func (GPtrArray     *haystack,
-                                            gconstpointer  needle,
-                                            GEqualFunc     equal_func,
-                                            guint         *index_);
-
-#endif
-
 #endif /* MM_UTILS_H */