android: libpts does not exist anymore, don't attempt to load it

src/frontends/android/src/org/strongswan/android/logic/CharonVpnService.java

@@ -735,7 +735,6 @@ public class CharonVpnService extends VpnService implements Runnable
 			System.loadLibrary("tncif");
 			System.loadLibrary("tnccs");
 			System.loadLibrary("imcv");
-			System.loadLibrary("pts");
 		}
 
 		System.loadLibrary("hydra");