Update example_hashmaps_map_entry.f90

Remove reference to other_type

Author: chuckyvt

example/hashmaps/example_hashmaps_map_entry.f90

@@ -1,7 +1,7 @@
 program example_map_entry
  use, intrinsic:: iso_fortran_env, only: int8, int64
  use stdlib_hashmaps, only: chaining_hashmap_type
- use stdlib_hashmap_wrappers, only: fnv_1_hasher, key_type, other_type, set
+ use stdlib_hashmap_wrappers, only: fnv_1_hasher, key_type, set
  implicit none
  type(chaining_hashmap_type) :: map
  type(key_type) :: key