switching logging for FacetMappingFactory off (issue #290)

Author: wowasa

curation-api/src/main/java/eu/clarin/cmdi/curation/api/vlo_extension/FacetsMappingCacheFactory.java

@@ -15,10 +15,7 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 
 /**
  * The type Facets mapping cache factory.