Remove thumbnail generation on mobile app (#292)

* Remove thumbnail generation on mobile

* Remove tconditions for missing thumbnail on the backend

* Remove console.log

* Refactor queue systems

* Convert queue and processor name to constant

* Added corresponding interface to job queue

server/libs/job/src/interfaces/metadata-extraction.interface.ts

@@ -0,0 +1,27 @@
+import { AssetEntity } from '@app/database/entities/asset.entity';
+
+export interface IExifExtractionProcessor {
+  /**
+   * The Asset entity that was saved in the database
+   */
+  asset: AssetEntity;
+
+  /**
+   * Original file name
+   */
+  fileName: string;
+
+  /**
+   * File size in byte
+   */
+  fileSize: number;
+}
+
+export interface IVideoLengthExtractionProcessor {
+  /**
+   * The Asset entity that was saved in the database
+   */
+  asset: AssetEntity;
+}
+
+export type IMetadataExtractionJob = IExifExtractionProcessor | IVideoLengthExtractionProcessor;