Optimize imports

Author: pt2121

demo/src/main/java/com/daimajia/swipedemo/GridViewExample.java

@@ -7,7 +7,6 @@
 import android.widget.AdapterView;
 import android.widget.GridView;
 
-import com.daimajia.swipe.implments.SwipeItemMangerImpl;
 import com.daimajia.swipe.util.Attributes;
 import com.daimajia.swipedemo.adapter.GridViewAdapter;
 

demo/src/main/java/com/daimajia/swipedemo/ListViewExample.java

@@ -17,7 +17,6 @@
 import android.widget.Toast;
 
 import com.daimajia.swipe.SwipeLayout;
-import com.daimajia.swipe.implments.SwipeItemMangerImpl;
 import com.daimajia.swipe.util.Attributes;
 import com.daimajia.swipedemo.adapter.ListViewAdapter;
 

demo/src/main/java/com/daimajia/swipedemo/RecyclerViewExample.java

@@ -2,7 +2,6 @@
 
 import android.app.ActionBar;
 import android.app.Activity;
-import android.content.Context;
 import android.content.Intent;
 import android.os.Build;
 import android.os.Bundle;