Clean unused imports.

Change-Id: Ieb22c37d7f6ffdf40e646957f40ee11c55c87fcb

dev/codeserver/java/com/google/gwt/dev/codeserver/Recompiler.java

diff --git a/dev/codeserver/java/com/google/gwt/dev/codeserver/Recompiler.java b/dev/codeserver/java/com/google/gwt/dev/codeserver/Recompiler.java
index aeefa83..e84737f 100644
--- a/dev/codeserver/java/com/google/gwt/dev/codeserver/Recompiler.java
+++ b/dev/codeserver/java/com/google/gwt/dev/codeserver/Recompiler.java
@@ -43,8 +43,6 @@
 import com.google.gwt.dev.util.log.PrintWriterTreeLogger;
 import com.google.gwt.thirdparty.guava.common.base.Joiner;
 import com.google.gwt.thirdparty.guava.common.collect.ImmutableMap;
-import com.google.gwt.thirdparty.guava.common.collect.ImmutableSortedMap;
-import com.google.gwt.thirdparty.guava.common.collect.ImmutableSortedSet;
 import com.google.gwt.thirdparty.guava.common.collect.Maps;
 import com.google.gwt.thirdparty.guava.common.collect.Sets;