fix file exists

.gitlab-ci.yml

@@ -308,6 +308,8 @@ update_deb_repo:
       gsutil cp gs://debian.gridtracker.org/debian/* debianrepo/
       cp artifacts/gridtracker_${VER}_all.deb debianrepo/
       cd debianrepo
+      rm InRelease
+      rm Release.gpg
       apt-ftparchive packages . > Packages
       apt-ftparchive release . > Release
       gpg --batch --passphrase ${GPG_PASS} --clearsign -o InRelease Release