Removed empty method, and some unused imports

src/com/owncloud/android/datamodel/FileDataStorageManager.java

@@ -587,11 +587,6 @@ public class FileDataStorageManager {
         return success;
     }
 
-    public void moveFolder(OCFile folder, String newPath) {
-        // TODO check newPath
-
-    }
-
     
     /**
      * Updates database and file system for a file or folder that was moved to a different location.

src/com/owncloud/android/providers/FileContentProvider.java

@@ -22,7 +22,6 @@ import java.util.ArrayList;
 import java.util.HashMap;
 
 import com.owncloud.android.R;
-import com.owncloud.android.datamodel.ThumbnailsCacheManager;
 import com.owncloud.android.db.ProviderMeta;
 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
 import com.owncloud.android.lib.common.utils.Log_OC;

src/com/owncloud/android/ui/adapter/FileListListAdapter.java

@@ -47,7 +47,6 @@ import com.owncloud.android.datamodel.ThumbnailsCacheManager;
 import com.owncloud.android.datamodel.ThumbnailsCacheManager.AsyncDrawable;
 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
-import com.owncloud.android.lib.common.utils.Log_OC;
 import com.owncloud.android.ui.activity.ComponentsGetter;
 import com.owncloud.android.utils.DisplayUtils;
 import com.owncloud.android.utils.FileStorageUtils;

src/com/owncloud/android/utils/DisplayUtils.java

@@ -29,7 +29,6 @@ import java.util.Set;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.os.Build;
-import android.text.format.DateFormat;
 import android.text.format.DateUtils;
 
 import com.owncloud.android.MainApp;