[CALCITE-2561] Remove dead code in Lattice constructor

Project: http://git-wip-us.apache.org/repos/asf/calcite/repo
Commit: http://git-wip-us.apache.org/repos/asf/calcite/commit/59b76701
Tree: http://git-wip-us.apache.org/repos/asf/calcite/tree/59b76701
Diff: http://git-wip-us.apache.org/repos/asf/calcite/diff/59b76701

Branch: refs/heads/master
Commit: 59b76701d9c805f51b0929577ca604fdbfe00b0b
Parents: 295ab13
Author: Vladimir Sitnikov <[email protected]>
Authored: Sun Sep 16 21:48:22 2018 +0300
Committer: Vladimir Sitnikov <[email protected]>
Committed: Thu Sep 20 11:51:15 2018 +0300

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 core/src/main/java/org/apache/calcite/materialize/Lattice.java | 4 ----
 1 file changed, 4 deletions(-)
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http://git-wip-us.apache.org/repos/asf/calcite/blob/59b76701/core/src/main/java/org/apache/calcite/materialize/Lattice.java
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diff --git a/core/src/main/java/org/apache/calcite/materialize/Lattice.java 
b/core/src/main/java/org/apache/calcite/materialize/Lattice.java
index 0e09f63..3b56008 100644
--- a/core/src/main/java/org/apache/calcite/materialize/Lattice.java
+++ b/core/src/main/java/org/apache/calcite/materialize/Lattice.java
@@ -108,10 +108,6 @@ public class Lattice {
       }
     }
 
-    List<String> nameList = new ArrayList<>();
-    for (Column column : columns) {
-      nameList.add(column.alias);
-    }
     uniqueColumnNames =
         ImmutableList.copyOf(
             SqlValidatorUtil.uniquify(

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