Fixed announcement typing

Expired -> obsolete filter front
Removed useless despose utils

front/src/assets/userCategories.ts

@@ -16,18 +16,18 @@ const userCategoriesInfos: Record<UserCategory, (ann: Announcement) => string> =
         `Годен до ${new Date(ann.bestBy).toLocaleDateString('ru')}`
     ),
     needDispose: (ann: Announcement) => (
-        `Были заинтересованы: ${ann.bookedBy} чел.`
+        `Было заинтересно ${ann.bookedBy} чел.`
     ),
 }
 
 const composeUserCategoriesFilters: Record<UserCategory, () => FiltersType> = {
     givingOut: () => ({
         userId: getId(),
-        expired: false,
+        obsolete: false,
     }),
     needDispose: () => ({
         userId: getId(),
-        expired: true,
+        obsolete: true,
     }),
 }