chore: remove unused code (#15499)

server/src/entities/system-metadata.entity.ts

@@ -1,6 +1,7 @@
 import { SystemConfig } from 'src/config';
 import { StorageFolder, SystemMetadataKey } from 'src/enum';
-import { Column, DeepPartial, Entity, PrimaryColumn } from 'typeorm';
+import { DeepPartial } from 'src/types';
+import { Column, Entity, PrimaryColumn } from 'typeorm';
 
 @Entity('system_metadata')
 export class SystemMetadataEntity<T extends keyof SystemMetadata = SystemMetadataKey> {

server/src/entities/user-metadata.entity.ts

@@ -1,7 +1,8 @@
 import { UserEntity } from 'src/entities/user.entity';
 import { UserAvatarColor, UserMetadataKey } from 'src/enum';
+import { DeepPartial } from 'src/types';
 import { HumanReadableSize } from 'src/utils/bytes';
-import { Column, DeepPartial, Entity, ManyToOne, PrimaryColumn } from 'typeorm';
+import { Column, Entity, ManyToOne, PrimaryColumn } from 'typeorm';
 
 @Entity('user_metadata')
 export class UserMetadataEntity<T extends keyof UserMetadata = UserMetadataKey> {