docs: remove all mentions of Devnet (#163)

.markdownlint-cli2.yaml

@@ -28,8 +28,6 @@ config:
     names:
       - Byzantine
       - dApp
-      - Devnet
-      - devnets
       - GitHub
       - internet
       - JavaScript

docs/SUMMARY.md

@@ -53,7 +53,6 @@
   - [Installing the site builder](./walrus-sites/tutorial-install.md)
   - [Publishing a Walrus Site](./walrus-sites/tutorial-publish.md)
   - [Bonus: Set a SuiNS name](./walrus-sites/tutorial-suins.md)
-  - [Migrating your site from Devnet](./walrus-sites/tutorial-migration.md)
 - [Advanced functionality](./walrus-sites/advanced.md)
   - [Site builder commands](./walrus-sites/commands.md)
   - [Advanced site-builder configuration](./walrus-sites/builder-config.md)
@@ -69,6 +68,5 @@
 ---
 
 [Glossary](./glossary.md)
-[Devnet terms of service](./legal/devnet_tos.md)
 [Testnet terms of service](./legal/testnet_tos.md)
 [Privacy policy](./legal/privacy.md)

docs/blog/04_testnet_update.md

@@ -99,14 +99,13 @@ update greatly increase the flexibility, speed, and security of Walrus Sites. De
 specify client-side routing rules, and add custom HTTP headers to the portals' responses for their
 site, expanding the possibilities for what Walrus Sites can do.
 
-[Migrate now](../walrus-sites/tutorial-migration.md) to take advantage of these new features! The
-old Walrus Sites, based on Walrus Devnet, will still be available for a short time. However, Devnet
-will be wiped soon (as described below), so it is recommended to migrate as soon as possible.
+Migrate now to take advantage of these new features! The old Walrus Sites, based on Walrus Devnet,
+will still be available for a short time. However, Devnet will be wiped soon (as described below),
+so it is recommended to migrate as soon as possible.
 
 ## Discontinuation of Walrus Devnet
 
 The previous Walrus Devnet instance is now deprecated and **will be shut down after 2024-10-31**.
 All data stored on Walrus Devnet (including Walrus Sites) will no longer be accessible at that
 point. You need to re-upload all data to Walrus Testnet if you want it to remain accessible. Walrus
-Sites also need to be migrated as described on the dedicated [migration
-page](../walrus-sites/tutorial-migration.md).
+Sites also need to be migrated.

docs/index.md

@@ -33,14 +33,6 @@ to store anything that contains secrets or private data without additional measu
 confidentiality.
 ```
 
-```admonish danger title="Discontinuation of Walrus Devnet"
-The previous Walrus Devnet instance is now deprecated and **will be shut down after 2024-10-31**.
-All data stored on Walrus Devnet (including Walrus Sites) will no longer be accessible at that
-point. You need to re-upload all data to Walrus Testnet if you want it to remain accessible. Walrus
-Sites also need to be migrated as described on the dedicated [migration
-page](./walrus-sites/tutorial-migration.md).
-```
-
 ## Features
 
 - **Storage and retrieval:** Walrus supports storage operations to write and read blobs. It also

docs/usage/troubleshooting.md

@@ -19,7 +19,7 @@ specifically to be compatible with almost all physical and virtual x86-64 CPUs.
 
 ## Latest Walrus configuration
 
-The Walrus Devnet and Testnet are wiped periodically and require updating to the latest binary and
+The Walrus Testnet is wiped periodically and requires updating to the latest binary and
 configuration. If you get an error like "could not retrieve enough confirmations to certify the
 blob", you are probably using an outdated configuration pointing to an inactive Walrus system. In
 this case, update your configuration file with the latest [configuration](./setup.md#configuration)

docs/walrus-sites/intro.md

@@ -6,21 +6,6 @@ can build and deploy a Walrus Site and make it accessible to the world! Funnily,
 is itself available as a Walrus Site at <https://docs.walrus.site/walrus-sites/intro.html> (if you
 aren't there already).
 
-```admonish tip title="Make sure you update!"
-With the move to Walrus Testnet, Walrus Sites are also being updated! They now use Walrus Testnet as
-the backing store, and they have been improved with new awesome features. [Migrate your
-site](./tutorial-migration.md) today to take advantage of these new features!
-```
-
-```admonish danger title="Walrus Sites Devnet being discontinued"
-Since the Walrus Devnet will [be shut down
-soon](../index.md#admonition-discontinuation-of-walrus-devnet), all the Walrus Sites stored on it will
-be wiped. To minimize the downtime, the Devnet Walrus Sites will be available after the Testnet
-upgrade for two weeks (until **2024-10-31**), to ensure that everyone has enough time to update.
-
-Make sure to reupload your sites to the Walrus Testnet before the shutdown to avoid downtime!
-```
-
 At a high level, here are some of the most exciting features:
 
 - Publishing a site does not require managing servers or complex configurations; just provide the