Squash unreachable catch

The compiler warning distracts me often.

Change-Id: I0192314f4ac9d8e3acb40dd10a39de297affcdac

WallpaperPicker/src/com/android/photos/BitmapRegionTileSource.java

@@ -283,9 +283,6 @@ public class BitmapRegionTileSource implements TiledImageRenderer.TileSource {
             } catch (FileNotFoundException e) {
                 Log.e("BitmapRegionTileSource", "Failed to load URI " + mUri, e);
                 return null;
-            } catch (IOException e) {
-                Log.e("BitmapRegionTileSource", "Failure while reading URI " + mUri, e);
-                return null;
             }
         }
         @Override