docs: drop the DMG window screenshot and stale DMG facts

installation.mdx

@@ -10,7 +10,7 @@ Homebrew is the short route: `brew install --cask tablepro`. Everyone else takes
 - **macOS**: 13.0 (Ventura) or later
 - **Architecture**: Apple Silicon (M1 or later) or Intel x86_64, one universal app for both
 
-Native Apple frameworks only, so there is no Java or .NET runtime to install first. The download is about 20 MB.
+Native Apple frameworks only, so there is no Java or .NET runtime to install first.
 
 ## Homebrew
 
@@ -29,19 +29,6 @@ brew uninstall --zap tablepro   # remove the app and its data
   </Step>
   <Step title="Drag it to Applications">
     Open the DMG and drag **TablePro** onto the **Applications** shortcut.
-
-    <Frame caption="Drag TablePro to Applications">
-      <img
-        className="block dark:hidden"
-        src="/images/install-dmg.png"
-        alt="Drag to Applications"
-      />
-      <img
-        className="hidden dark:block"
-        src="/images/install-dmg-dark.png"
-        alt="Drag to Applications"
-      />
-    </Frame>
   </Step>
   <Step title="Eject, then launch">
     Right-click the mounted disk and choose **Eject**. Open **TablePro** from the Applications folder.

troubleshooting.mdx

@@ -20,7 +20,6 @@ A failure that happens on one engine only is on that engine's page, which ends w
 
 ## The app will not open
 
-- **Wrong architecture**: assets are per-architecture, `TablePro-<version>-arm64.dmg` and the `x86_64` one. Check yours under **Apple menu > About This Mac**.
 - **Too old a macOS**: 13.0 (Ventura) is the minimum.
 - **macOS refuses to open it**: the copy was damaged or stripped of its signature. Confirm with `spctl -a -vvv /Applications/TablePro.app`, then re-download or run `brew install --cask tablepro`.
 - **Opens then quits**: attach the crash report from Console.app to an issue.