Correct Generated JSON for UPlay Games Fixes #27

- Correctts the invalid comma in the generated JSON for games that utilize the UPlay unlocker.

CreamInstaller/Resources/UplayR1.cs

@@ -68,10 +68,10 @@ internal static class UplayR1
                     false);
             }
 
-            writer.WriteLine("  ],");
+            writer.WriteLine("  ]");
         }
         else
-            writer.WriteLine("  \"blacklist\": [],");
+            writer.WriteLine("  \"blacklist\": []");
 
         writer.WriteLine("}");
     }

CreamInstaller/Resources/UplayR2.cs

@@ -72,10 +72,10 @@ internal static class UplayR2
                     false);
             }
 
-            writer.WriteLine("  ],");
+            writer.WriteLine("  ]");
         }
         else
-            writer.WriteLine("  \"blacklist\": [],");
+            writer.WriteLine("  \"blacklist\": []");
 
         writer.WriteLine("}");
     }