Removed from header methods deleted previously

include/linphone/api/c-chat-message.h

@@ -244,21 +244,6 @@ LINPHONE_PUBLIC bool_t linphone_chat_message_is_file_transfer(LinphoneChatMessag
  */
 LINPHONE_PUBLIC bool_t linphone_chat_message_is_text(LinphoneChatMessage *message);
 
-/**
- * Get if a chat message is to be stored.
- * @param[in] message LinphoneChatMessage object
- * @return Whether or not the message is to be stored
- */
-LINPHONE_PUBLIC bool_t linphone_chat_message_get_to_be_stored(const LinphoneChatMessage *message);
-
-/**
- * Set if a chat message is to be stored.
- * This content type must match a content that is text representable, such as text/plain, text/html or image/svg+xml.
- * @param[in] message LinphoneChatMessage object
- * @param[in] to_be_stored Whether or not the chat message is to be stored
- */
-LINPHONE_PUBLIC void linphone_chat_message_set_to_be_stored(LinphoneChatMessage *message, bool_t to_be_stored);
-
 /**
  * Start the download of the file from remote server
  *