org.linkedin.util-core/src/main/java/org/linkedin/util/url/QueryBuilder.java
public String[] removeParameter(String name)
  {
    Map<String, String[]> map = getMap();
    String[] v = map.remove(name);
    if(v != null)
      rebuildQuery();    
    return v;
  }
public String[] removeParameter(String name)
  {
    Map<String, String[]> map = getMap();
    String[] v = map.remove(name);
    if(v != null)
      rebuildQuery();    
    return v;
  }
Remove parameter with given name and
return its previous value.

@param name parameter to remove
@return previous value or null if parameter doesn't exist