fix codacy

src/main/java/com/owncloud/android/ui/adapter/ActivityListAdapter.java

@@ -75,7 +75,6 @@ import java.util.List;
 /**
  * Adapter for the activity view
  */
-
 public class ActivityListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
 
     protected static final int HEADER_TYPE = 100;
@@ -391,5 +390,4 @@ public class ActivityListAdapter extends RecyclerView.Adapter<RecyclerView.ViewH
 
         }
     }
-
 }

src/main/java/com/owncloud/android/utils/BitmapUtils.java

@@ -34,7 +34,6 @@ import com.owncloud.android.lib.common.utils.Log_OC;
 
 import org.apache.commons.codec.binary.Hex;
 
-import java.io.UnsupportedEncodingException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.Locale;