Remove the unused columns from pypi#4581 (pypi#4582)

Author: dstufft

warehouse/migrations/versions/e82c3a017d60_remove_unused_columns.py

@@ -0,0 +1,40 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""
+Remove unused columns
+
+Revision ID: e82c3a017d60
+Revises: 62f6becc7653
+Create Date: 2018-08-17 16:23:08.775818
+"""
+
+from alembic import op
+
+
+revision = "e82c3a017d60"
+down_revision = "62f6becc7653"
+
+
+def upgrade():
+    op.drop_column("accounts_user", "is_staff")
+    op.drop_column("packages", "hosting_mode")
+    op.drop_column("packages", "autohide")
+    op.drop_column("packages", "bugtrack_url")
+    op.drop_column("packages", "comments")
+    op.drop_column("packages", "stable_version")
+    op.drop_column("release_files", "downloads")
+    op.drop_column("releases", "description_from_readme")
+    op.drop_column("releases", "_pypi_hidden")
+
+
+def downgrade():
+    raise RuntimeError("Order No. 227 - Ни шагу назад!")