use default remove impl

git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/trunk@1320 f203690c-595d-4dc9-a70b-905162fa7fd2

src/main/java/com/healthmarketscience/jackcess/impl/DatabaseImpl.java

@@ -2342,11 +2342,6 @@ public class DatabaseImpl implements Database, DateTimeContext
       return _tableNameIter.hasNext();
     }
 
-    @Override
-    public void remove() {
-      throw new UnsupportedOperationException();
-    }
-
     @Override
     public Table next() {
       if(!hasNext()) {

src/main/java/com/healthmarketscience/jackcess/util/RowFilter.java

@@ -190,11 +190,6 @@ public abstract class RowFilter
           return _next;
         }
 
-        @Override
-        public void remove() {
-          throw new UnsupportedOperationException();
-        }
-
       };
     }