events: remove unused _saveUploadedFile function

gracedb/events/view_logic.py

@@ -11,7 +11,6 @@ from .models import LalInferenceBurstEvent
 from .models import EMBBEventLog, EMGroup
 from .models import EMObservation, EMFootprint
 from .translator import handle_uploaded_data
-from .view_utils import _saveUploadedFile
 from .view_utils import eventToDict, eventLogToDict, emObservationToDict, \
     labelToDict
 from .permission_utils import assign_default_event_perms

gracedb/events/view_utils.py

@@ -9,7 +9,6 @@ from django.utils.safestring import mark_safe
 from .models import SingleInspiral, Event, Search, Group
 
 from core.urls import build_absolute_uri
-from core.vfile import VersionedFile
 from .permission_utils import is_external
 from api.utils import api_reverse
 from django.db.models import Q
@@ -694,14 +693,6 @@ def assembleLigoLw(objects):
     ligolw_add.merge_compatible_tables(xmldoc)
     return xmldoc
 
-def _saveUploadedFile(event, uploadedFile):
-    fname = os.path.join(event.datadir, uploadedFile.name)
-    f = VersionedFile(fname, "w")
-    for chunk in uploadedFile.chunks():
-        f.write(chunk)
-    f.close()
-    return f.version
-
 import html5lib
 def sanitize_html(data):
     """