Unused imports removed

h2/src/main/org/h2/command/Command.java

@@ -18,7 +18,6 @@ import org.h2.message.DbException;
 import org.h2.message.Trace;
 import org.h2.result.ResultInterface;
 import org.h2.result.ResultWithGeneratedKeys;
-import org.h2.util.MathUtils;
 
 /**
  * Represents a SQL statement. This object is only used on the server side.

h2/src/main/org/h2/engine/Database.java

@@ -45,7 +45,6 @@ import org.h2.schema.SchemaObject;
 import org.h2.schema.Sequence;
 import org.h2.schema.TriggerObject;
 import org.h2.security.auth.Authenticator;
-import org.h2.security.auth.AuthenticatorFactory;
 import org.h2.store.DataHandler;
 import org.h2.store.FileLock;
 import org.h2.store.FileLockMethod;

h2/src/main/org/h2/engine/Session.java

@@ -23,7 +23,6 @@ import org.h2.command.Parser;
 import org.h2.command.Prepared;
 import org.h2.command.ddl.Analyze;
 import org.h2.command.dml.Query;
-import org.h2.command.dml.SetTypes;
 import org.h2.constraint.Constraint;
 import org.h2.index.Index;
 import org.h2.index.ViewIndex;

h2/src/main/org/h2/mvstore/db/MVTable.java

@@ -27,7 +27,6 @@ import org.h2.engine.SysProperties;
 import org.h2.index.Cursor;
 import org.h2.index.Index;
 import org.h2.index.IndexType;
-import org.h2.index.MultiVersionIndex;
 import org.h2.message.DbException;
 import org.h2.message.Trace;
 import org.h2.mvstore.DataUtils;

h2/src/main/org/h2/table/TableFilter.java

@@ -16,7 +16,6 @@ import org.h2.command.dml.Select;
 import org.h2.engine.Right;
 import org.h2.engine.Session;
 import org.h2.engine.SysProperties;
-import org.h2.engine.UndoLogRecord;
 import org.h2.expression.Comparison;
 import org.h2.expression.ConditionAndOr;
 import org.h2.expression.Expression;