Update source classification for early warning case.
This update removes BBH region in the component mass plane when calculating early warning p-astro. To achieve this, it sets P(BBH) as zero and normalizes the sum of P(BNS) and P(NSBH) to be one.
This update removes BBH region in the component mass plane when calculating early warning p-astro. To achieve this, it sets P(BBH) as zero and normalizes the sum of P(BNS) and P(NSBH) to be one.