No need file type check to stop exoPlayer, service

Signed-off-by: alperozturk <alper_ozturk@proton.me>

app/src/main/java/com/owncloud/android/ui/preview/PreviewMediaActivity.kt

@@ -755,11 +755,7 @@ class PreviewMediaActivity :
             }
         }
 
-
-        if (exoPlayer?.isPlaying == true) {
-            exoPlayer?.pause()
-        }
-
+        exoPlayer?.pause()
         stopAudio()
         mediaPlayerServiceConnection?.unbind()
         super.onStop()