Change deprecated functions.

example/ex-dict02.c

@@ -15,7 +15,7 @@ int main(void) {
   char *k = dict_m32_get(h, 10);            // No 10 in h, so k == NULL
   int is_missing = (k != NULL);             // true
   assert (is_missing);
-  dict_m32_remove(h, 5);                    // h is now empty
+  dict_m32_erase(h, 5);                    // h is now empty
   dict_m32_it_t it;                         // iterate over all dictionnary
   for (dict_m32_it (it, h) ; !dict_m32_end_p (it); dict_m32_next(it)) {
     struct dict_m32_pair_s *item = dict_m32_ref(it);
@@ -33,7 +33,7 @@ int main(void) {
     char *k = dict_m32_get(h, 10);            // k == NULL
     int is_missing = (k != NULL);             // true
     assert (is_missing);
-    dict_m32_remove(h, 5);                    // h is now empty
+    dict_m32_erase(h, 5);                    // h is now empty
     for M_EACH(item, h, M32_OPLIST) {         // traverse each item
         item->value = 1;                      // Set its value to 1
       }

example/ex-dict03.c

@@ -50,7 +50,7 @@ int main(void)
           printf("Enter the mapped string to be deleted: ");
           string_fgets (str, stdin, STRING_READ_PURE_LINE);
           s = atoi(string_get_cstr(str));
-          dict_map_remove(mp, s);
+          dict_map_erase(mp, s);
           break;
 
         case 3: