global: remove topical branch from pinned

Author: kpsherva

requirements.pinned.txt

@@ -90,7 +90,7 @@ invenio-celery==1.0.1
 invenio-communities==1.0.0a19
 invenio-config==1.0.1
 invenio-db[postgresql,versioning]==1.0.2
-invenio-files-rest==1.0.0a23  # via invenio-communities, invenio-iiif, invenio-records-files
+# invenio-files-rest==1.0.0a23  # via invenio-communities, invenio-iiif, invenio-records-files
 invenio-formatter[badges]==1.0.1
 invenio-i18n==1.1.1
 invenio-iiif==1.0.0a4