update: Remove Play Store link for Syncthing

Signed-off-by: redoomed1 <[email protected]>

Author: redoomed1

docs/file-sharing.md

@@ -142,7 +142,6 @@ We don't recommend using the [E2EE App](https://apps.nextcloud.com/apps/end_to_e
 <details class="downloads" markdown>
 <summary>Downloads</summary>
 
-- [:simple-googleplay: Google Play](https://play.google.com/store/apps/details?id=com.nutomic.syncthingandroid)
 - [:fontawesome-brands-windows: Windows](https://syncthing.net/downloads)
 - [:simple-apple: macOS](https://syncthing.net/downloads)
 - [:simple-linux: Linux](https://syncthing.net/downloads)