Remove web video redundancy support

It's not used anymore in the player since several major versions now, so
there's no point in continuing to store these video files

server/core/initializers/migrations/0870-remove-web-video-redundancy.ts

@@ -0,0 +1,71 @@
+import { logger } from '@server/helpers/logger.js'
+import { getServerActor } from '@server/models/application/application.js'
+import { VideoFileModel } from '@server/models/video/video-file.js'
+import { remove } from 'fs-extra'
+import { join } from 'path'
+import * as Sequelize from 'sequelize'
+import { QueryTypes } from 'sequelize'
+import { CONFIG } from '../config.js'
+
+async function up (utils: {
+  transaction: Sequelize.Transaction
+  queryInterface: Sequelize.QueryInterface
+  sequelize: Sequelize.Sequelize
+}): Promise<void> {
+  const { transaction } = utils
+
+  const actor = await getServerActor()
+
+  {
+    const query = 'SELECT "videoFileId" FROM "videoRedundancy" WHERE "actor" = :actorId AND "videoFileId" IS NOT NULL'
+
+    const rows = await utils.sequelize.query<{ videoFileId: number }>(query, {
+      bind: { actorId: actor.id },
+      transaction,
+      type: QueryTypes.SELECT as QueryTypes.SELECT
+    })
+
+    for (const { videoFileId } of rows) {
+      try {
+        const videoFile = await VideoFileModel.loadWithVideo(videoFileId, transaction)
+        const filePath = join(CONFIG.STORAGE.REDUNDANCY_DIR, videoFile.filename)
+
+        await remove(filePath)
+      } catch (err) {
+        logger.error(`Cannot delete redundancy file (videoFileId: ${videoFileId}).`, { err })
+      }
+    }
+  }
+
+  {
+    const query = 'DELETE FROM "videoRedundancy" WHERE "videoFileId" IS NOT NULL'
+
+    await utils.sequelize.query(query, { transaction })
+  }
+
+  {
+    await utils.sequelize.query('DROP INDEX IF EXISTS video_redundancy_video_file_id')
+  }
+
+  {
+    await utils.queryInterface.removeColumn('videoRedundancy', 'videoFileId', { transaction })
+  }
+
+  {
+    const data = {
+      type: Sequelize.INTEGER,
+      defaultValue: null,
+      allowNull: false
+    }
+
+    await utils.queryInterface.changeColumn('videoRedundancy', 'videoStreamingPlaylistId', data, { transaction })
+  }
+}
+
+function down (options) {
+  throw new Error('Not implemented.')
+}
+
+export {
+  down, up
+}