Remove unused import and suppress warnings about unused members

Change-Id: I5399c0747c6c2e1609180862eea9ff4806b88425

src/main/java/com/google/gwtorm/schema/java/JavaColumnModel.java

diff --git a/src/main/java/com/google/gwtorm/schema/java/JavaColumnModel.java b/src/main/java/com/google/gwtorm/schema/java/JavaColumnModel.java
index 683e5a5..16d3be8 100644
--- a/src/main/java/com/google/gwtorm/schema/java/JavaColumnModel.java
+++ b/src/main/java/com/google/gwtorm/schema/java/JavaColumnModel.java
@@ -14,7 +14,6 @@
 
 package com.google.gwtorm.schema.java;
 
-import com.google.common.base.Function;
 import com.google.common.collect.Ordering;
 import com.google.gwtorm.client.Column;
 import com.google.gwtorm.client.RowVersion;

src/test/java/com/google/gwtorm/schema/java/DeclaredFieldsOrderTest.java

diff --git a/src/test/java/com/google/gwtorm/schema/java/DeclaredFieldsOrderTest.java b/src/test/java/com/google/gwtorm/schema/java/DeclaredFieldsOrderTest.java
index adae52b..c38399f 100644
--- a/src/test/java/com/google/gwtorm/schema/java/DeclaredFieldsOrderTest.java
+++ b/src/test/java/com/google/gwtorm/schema/java/DeclaredFieldsOrderTest.java
@@ -16,7 +16,6 @@
 
 import static com.google.gwtorm.schema.java.JavaColumnModel.sort;
 import static com.google.common.collect.Collections2.permutations;
-
 import static org.junit.Assert.assertEquals;
 
 import com.google.gwtorm.client.Column;
@@ -37,8 +36,11 @@
     @Column(id = 3)
     private String a;
 
+    @SuppressWarnings("unused")
     private String d;
+    @SuppressWarnings("unused")
     private String e;
+    @SuppressWarnings("unused")
     private String f;
   }