Revert "Update the stuff about beta branches (#655)"

This reverts commit 489f297.

Author: overlappingd

wiki/.assets/images/beginners-guide/BetaOptions_OculusBranch.jpg

@@ -230,7 +230,7 @@ Click on these links corresponding to where you own the game to see the tutorial
 
 ### Legacy Branch
 
-If you want to downgrade to `1.40.8`, `1.37.1`, `1.34.2`, or `1.29.1`, you can use the legacy branch method.
+If you want to downgrade to `1.37.1`, `1.34.2`, or `1.29.1` you can use the legacy branch method.
 
 #### Steam Users
 
@@ -241,8 +241,7 @@ If you want to downgrade to `1.40.8`, `1.37.1`, `1.34.2`, or `1.29.1`, you can u
 2. Right click Beat Saber in the game library
 3. Select Properties
 4. Select Betas in the window
-5. Select either the `legacy1.40.8_unity_v2021.3.16f1`, `legacy1.37.1_unity_v2021.3.16f1`, `1.34.2_legacy` or
-   the `legacy1.29.1_unity_ver2019.4.28f1` branch
+5. Select either the `legacy1.37.1_unity_v2021.3.16f1`, `1.34.2_legacy` or the `legacy1.29.1_unity_ver2019.4.28f1` branch
 6. Exit the window
 7. Let the download complete then run the game once
 8. Follow the regular modding process
@@ -258,11 +257,12 @@ If you want to downgrade to `1.40.8`, `1.37.1`, `1.34.2`, or `1.29.1`, you can u
 2. Go to the Beat Saber store page
 3. Scroll down to `Versions + Release Notes`
 4. Click on the word `(LIVE)` next to the current version number
-5. Select either the `legacy1.40.8_unity_v2021.3.16f1`, `legacy1.37.1_unity_v2021.3.16f1`, `1.34.2_legacy` or
-   the `legacy1.29.1_unity_ver2019.4.28f1` branch
+5. Select either the `legacy1.37.1_unity_v2021.3.16f1`, `1.34.2_legacy` or the `legacy1.29.1_unity_ver2019.4.28f1` branch
 6. Let the download complete and run the game once
 7. Follow the regular modding process
 
+![Oculus Branch Setting](/.assets/images/beginners-guide/BetaOptions_OculusBranch.jpg 'Oculus Branch Setting')
+
 ## How to uninstall mods
 
 Either remove the `.dll` file from the `Plugins` folder, or click the trash icon button in BSManager