migrations: drop modules.deprecated_comment

For golang/go#43265

Change-Id: I5885853463ed52915a7956e66bdfae9498ce90df
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/309710
Trust: Jonathan Amsterdam <[email protected]>
Run-TryBot: Jonathan Amsterdam <[email protected]>
TryBot-Result: kokoro <[email protected]>
Reviewed-by: Julie Qiu <[email protected]>

Author: jba

migrations/000089_drop_modules_deprecation_column.down.sql

@@ -0,0 +1,10 @@
+-- Copyright 2021 The Go Authors. All rights reserved.
+-- Use of this source code is governed by a BSD-style
+-- license that can be found in the LICENSE file.
+
+BEGIN;
+
+ALTER TABLE modules
+    ADD COLUMN deprecated_comment TEXT;
+
+END;

migrations/000089_drop_modules_deprecation_column.up.sql

@@ -0,0 +1,10 @@
+-- Copyright 2021 The Go Authors. All rights reserved.
+-- Use of this source code is governed by a BSD-style
+-- license that can be found in the LICENSE file.
+
+BEGIN;
+
+ALTER TABLE modules
+    DROP COLUMN deprecated_comment;
+
+END;