He ran his campaign on immigration and trade. What do you expect? Those are the issues he is interested in.
They are expecting him to outlaw it by fiat, apparently.
Until there is a pro-life majority on the Supreme Court there is no sense wasting any time on abortion issues, other than funding. There is now sense even talking about it until Donald Trump has nominated two new Supreme Court Justices. Then the Congress can pass the laws to restrict abortion, or turn it back to the States or whatever.