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/include/jerryscript-core.h

@@ -120,11 +120,6 @@ typedef enum
  */
 typedef uint8_t jerry_char_t;
 
-/**
- * Pointer to an array of character values.
- */
-typedef jerry_char_t *jerry_char_ptr_t;
-
 /**
  * Size type of JerryScript.
  */
@@ -308,7 +303,7 @@ typedef struct jerry_instance_t jerry_instance_t;
  */
 void jerry_init (jerry_init_flag_t flags);
 void jerry_cleanup (void);
-void jerry_register_magic_strings (const jerry_char_ptr_t *ex_str_items_p, uint32_t count,
+void jerry_register_magic_strings (const jerry_char_t **ex_str_items_p, uint32_t count,
                                    const jerry_length_t *str_lengths_p);
 void jerry_gc (jerry_gc_mode_t mode);
 void *jerry_get_context_data (const jerry_context_data_manager_t *manager_p);