Remove now-redundant helptext

python/web/src/templates/upload.html

@@ -4,7 +4,6 @@
 <h2>{{ _("Upload File from Local Computer") }}</h2>
 <ul>
     <li>{{ _("The largest file size accepted in this form is %(max_file_size)s MiB. Use other file transfer means for larger files.", max_file_size=max_file_size) }}</li>
-    <li>{{ _("You have to manually clean up partially uploaded files, as a result of cancelling the upload or closing this page.") }}</li>
     <li>{{ _("Disk Images") }} = {{ env["image_dir"] }}</li>
     {% if file_server_dir_exists %}
     <li>{{ _("Shared Files") }} = {{ FILE_SERVER_DIR }}</li>