Delete prisma schema

prisma/schema.prisma

@@ -1,24 +0,0 @@
-generator client {
-  provider = "cargo prisma"
-  output   = "../src/prisma.rs"
-}
-
-datasource db {
-  provider = "postgresql"
-  url      = env("DATABASE_URL")
-}
-
-model CachedFile {
-  id          Int     @id @default(autoincrement())
-  object_id   Int
-  object_type String  @db.VarChar(8)
-  message_id  BigInt  @unique(map: "ix_cached_files_message_id")
-  chat_id     BigInt
-
-  @@unique([message_id, chat_id], map: "uc_cached_files_message_id_chat_id")
-  @@unique([object_id, object_type], map: "uc_cached_files_object_id_object_type")
-  @@index([object_id], map: "ix_cached_files_object_id")
-  @@index([object_type], map: "ix_cached_files_object_type")
-
-  @@map("cached_files")
-}