compilation error fixed

service/src/main/java/lcsb/mapviewer/services/utils/data/ColorSchemaColumn.java

@@ -3,8 +3,6 @@ package lcsb.mapviewer.services.utils.data;
 import java.util.HashSet;
 import java.util.Set;
 
-import org.primefaces.component.export.Exporter.ColumnType;
-
 import lcsb.mapviewer.model.map.layout.ReferenceGenome;
 import lcsb.mapviewer.model.map.layout.ReferenceGenomeType;
 
@@ -129,7 +127,7 @@ public enum ColorSchemaColumn {
    * @param title
    *          {@link #title}
    * @param types
-   *          list of {@link ColumnType types} where this column is allowed
+   *          list of {@link ColorSchemaType types} where this column is allowed
    */
   ColorSchemaColumn(String title, ColorSchemaType[] types) {
     this.title = title;