organize imports

src/main/java/com/owncloud/android/ui/fragment/FileDetailActivitiesFragment.java

@@ -27,7 +27,6 @@ import android.content.Context;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
 import android.support.v4.app.Fragment;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.LinearLayoutManager;
@@ -60,7 +59,6 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
-import butterknife.BindAnim;
 import butterknife.BindString;
 import butterknife.BindView;
 import butterknife.ButterKnife;

src/main/java/com/owncloud/android/ui/fragment/FileDetailFragment.java

@@ -27,7 +27,6 @@ import android.os.Bundle;
 import android.support.design.widget.Snackbar;
 import android.support.design.widget.TabLayout;
 import android.support.v4.view.ViewPager;
-import android.support.v7.widget.SwitchCompat;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -35,7 +34,6 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
-import android.widget.CompoundButton;
 import android.widget.ImageView;
 import android.widget.ListAdapter;
 import android.widget.ListView;