Remove character pointer typedefs (#2492)

The `[jerry|ecma]_char_ptr_t` types are some old legacy that are
used quite inconsistently. Their `[jerry|ecma]_char_t *` variants
are used a lot more often, so it's better to stick to one form
throughout the code base.

JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu

jerry-core/api/jerry-snapshot.c

@@ -1705,7 +1705,7 @@ jerry_parse_and_save_literals (const jerry_char_t *source_p, /**< script source
     /* Save the array of literals. */
     destination_p = jerry_append_chars_to_buffer (destination_p,
                                                   buffer_end_p,
-                                                  ";\n\njerry_char_ptr_t literals[",
+                                                  ";\n\njerry_char_t *literals[",
                                                   0);
 
     destination_p = jerry_append_number_to_buffer (destination_p, buffer_end_p, literal_count);

jerry-core/api/jerry.c

@@ -257,8 +257,8 @@ jerry_get_context_data (const jerry_context_data_manager_t *manager_p)
  * Register external magic string array
  */
 void
-jerry_register_magic_strings (const jerry_char_ptr_t *ex_str_items_p, /**< character arrays, representing
-                                                                       *   external magic strings' contents */
+jerry_register_magic_strings (const jerry_char_t **ex_str_items_p, /**< character arrays, representing
+                                                                    *   external magic strings' contents */
                               uint32_t count, /**< number of the strings */
                               const jerry_length_t *str_lengths_p) /**< lengths of all strings */
 {