Chronicle Staff April 6, 2021Updated: April 6, 2021, 7:25 pm The Golden Gate Theatre in San Francisco. Photo: Kyle Jeffers With the announcement that California is eliminating its color-coded tier system and allowing businesses to operate at or near 100% capacity by June 15, Bay Area arts organizations are finally seeing the end of what has been a very long, dark period. Masks will still be a requirement at public events, but the expectation is that life — nightlife — will be returning to something that resembles “normal” before the beginning of summer. That means movie theaters, plays, concerts, the ballet and other vital elements that make up the Bay Area’s once vibrant arts and entertainment scene will finally be seeing live audiences again.