Deprecate old movie system

lib/enums/post_kind.dart

@@ -2,13 +2,4 @@
 ///
 /// @author Pierre HUBERT
 
-enum PostKind {
+enum PostKind { TEXT, IMAGE, WEB_LINK, PDF, COUNTDOWN, SURVEY, YOUTUBE }
-  TEXT,
-  IMAGE,
-  WEB_LINK,
-  PDF,
-  MOVIE,
-  COUNTDOWN,
-  SURVEY,
-  YOUTUBE
-}

lib/helpers/notifications_helper.dart

@@ -16,7 +16,6 @@ const _NotificationElementTypeAPImapping = {
   "post_text": NotificationElementType.POST_TEXT,
   "post_img": NotificationElementType.POST_IMAGE,
   "post_youtube": NotificationElementType.POST_YOUTUBE,
-  "post_movie": NotificationElementType.POST_MOVIE,
   "post_weblink": NotificationElementType.POST_WEBLINK,
   "post_pdf": NotificationElementType.POST_PDF,
   "post_timer": NotificationElementType.POST_TIMER,

lib/helpers/posts_helper.dart

@@ -29,7 +29,6 @@ const _APIPostsKindsMap = {
   "image": PostKind.IMAGE,
   "weblink": PostKind.WEB_LINK,
   "pdf": PostKind.PDF,
-  "movie": PostKind.MOVIE,
   "countdown": PostKind.COUNTDOWN,
   "survey": PostKind.SURVEY,
   "youtube": PostKind.YOUTUBE

lib/models/notification.dart

@@ -13,7 +13,6 @@ enum NotificationElementType {
   POST_TEXT,
   POST_IMAGE,
   POST_YOUTUBE,
-  POST_MOVIE,
   POST_WEBLINK,
   POST_PDF,
   POST_TIMER,