removed unessesary imports

src/de/tudarmstadt/informatik/hostage/ui2/adapter/RecordListAdapter.java

@@ -1,18 +1,11 @@
 package de.tudarmstadt.informatik.hostage.ui2.adapter;
 
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 
-import android.annotation.SuppressLint;
 import android.content.Context;
-import android.view.LayoutInflater;
 import android.view.View;
-import android.view.ViewGroup;
-import android.widget.SimpleAdapter;
 import android.widget.TextView;
 import de.tudarmstadt.informatik.hostage.R;
 import de.tudarmstadt.informatik.hostage.ui2.model.ExpandableListItem;