public function removeFilter($query, $value = null) {
		if ($value) {
			$query = "$query:$value";
		}
		unset($this->filters[$query]);
		return $this;
	}
public function removeFilter($query, $value = null) {
		if ($value) {
			$query = "$query:$value";
		}
		unset($this->filters[$query]);
		return $this;
	}
public function removeFilter ( $ query , $ value = null ) { if ( $ value ) { $ query = "$query:$value" ; } unset ( $ this -> filters [ $ query ] ) ; return $ this ; }
Remove a filter in place on this query

@param string $query
@param mixed $value
Remove a filter in place on this query