SACRAMENTO, Calif. — Many California firearms instructors who teach a class required to get a state concealed weapons permit are no longer certified, at least for now, under new state Department of Justice regulations. The rules were issued as part of the DOJ’s implementation of Senate Bill 2, a controversial new state law that went into effect on Jan. 1 and that widely limits where concealed weapons can be legally carried and by whom. The law has been the subject of several recent and dueling judicial rulings. The latest ruling, from an appeals court, cleared the way for the state law to move…