Revert "Update form.py"

This reverts commit deb60c157926e958184e7f215a356b9a55a5a2bb.
Revert "Add query_label to give each filter a unique label"

This reverts commit 749161e7d687ed1a1eaf72084145db0876a44a70.
Revert "Parse optional named filters from filter url"

This reverts commit c424c3fe078f7a6306963c98572435cc038cf8d3.