fix: adding duration logs for virus scan file download

src/app/modules/submission/submission.service.ts

@@ -401,13 +401,13 @@ export const downloadCleanFile = (cleanFileKey: string, versionId: string) => {
           message: 'Successfully downloaded file from S3',
           meta: logMeta,
         })
-        resolve(buffer)
-      })
-      const timeDownloadEnd = Date.now()
+        const timeDownloadEnd = Date.now()
+        logger.info({
+          message: 'Duration of file download from S3',
+          meta: { ...logMeta, time: timeDownloadEnd - timeDownloadStart },
+        })
 
-      logger.info({
-        message: 'Duration of file download from S3',
-        meta: { ...logMeta, time: timeDownloadEnd - timeDownloadStart },
+        resolve(buffer)
       })
 
       readStream.on('error', (error) => {
@@ -426,14 +426,6 @@ export const downloadCleanFile = (cleanFileKey: string, versionId: string) => {
   )
 }
 
-// statsdClient.distribution(
-//   'formsg.submissions.virusScanFile.duration',
-//   duration,
-//   {
-//     rating: `${rating}`,
-//   },
-// )
-
 /**
  * Helper function to trigger virus scanning and download clean file.
  * @param response quarantined attachment response from storage submissions v2.1+.