JAL-2759 remove unneeded cast

diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java
index dcc548d..081a83c 100755 (executable)
--- a/src/jalview/gui/SeqCanvas.java
+++ b/src/jalview/gui/SeqCanvas.java
@@ -1030,7 +1030,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
       int blockEnd;
 
       HiddenColumns hidden = av.getAlignment().getHiddenColumns();
-      VisibleContigsIterator regions = (VisibleContigsIterator) hidden
+      VisibleContigsIterator regions = hidden
               .getVisContigsIterator(startRes, endRes + 1, true);
 
       while (regions.hasNext())
@@ -1364,7 +1364,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
       int blockEnd;
 
       HiddenColumns hidden = av.getAlignment().getHiddenColumns();
-      VisibleContigsIterator regions = (VisibleContigsIterator) hidden
+      VisibleContigsIterator regions = hidden
               .getVisContigsIterator(startRes, endRes + 1, true);
       while (regions.hasNext())
       {