Android: Removed unused internal function.

android-project/src/org/libsdl/app/SDLActivity.java

@@ -732,15 +732,6 @@ public class SDLActivity extends Activity {
     /** com.android.vending.expansion.zipfile.ZipResourceFile's getInputStream() or null. */
     private Method expansionFileMethod;
 
-    /**
-     * This method was called by SDL using JNI.
-     * @deprecated because of an incorrect name
-     */
-    @Deprecated
-    public InputStream openAPKExtensionInputStream(String fileName) throws IOException {
-        return openAPKExpansionInputStream(fileName);
-    }
-
     /**
      * This method is called by SDL using JNI.
      * @return an InputStream on success or null if no expansion file was used.