[gnome-games] Revert "flatpak: Pin down beetle-pce-fast commit"

[Alexander Mikhaylenko <alexm src gnome org>]

commit fc2a551a82d2e472b0b72ed1623aa657db56944c
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Sun May 24 00:50:12 2020 +0500

    Revert "flatpak: Pin down beetle-pce-fast commit"
    
    This reverts commit 1df65316d7654529f125320c1384baedac2f209e.
    
    The bug has been fixed.

 flatpak/libretro-cores/libretro-mednafen_pce_fast.json | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/flatpak/libretro-cores/libretro-mednafen_pce_fast.json 
b/flatpak/libretro-cores/libretro-mednafen_pce_fast.json
index a487037d..614dca67 100644
--- a/flatpak/libretro-cores/libretro-mednafen_pce_fast.json
+++ b/flatpak/libretro-cores/libretro-mednafen_pce_fast.json
@@ -16,8 +16,7 @@
             "sources": [
                 {
                     "type": "git",
-                    "url": "https://github.com/libretro/beetle-pce-fast-libretro";,
-                    "commit": "a53610b2e545f0ba2b0fac6bdc410a51d41a0f17"
+                    "url": "https://github.com/libretro/beetle-pce-fast-libretro";
                 },
                 {
                     "type": "file",