The Trump administration is discarding its shock-and-awe publicity tactics on immigration after mass deportations were met with mass backlash. Why it matters: The White House has become allergic to the edgy memes , embedded camera crews and cosplaying officials that dominated former Homeland Security Secretary Kristi Noem's tenure. A former DHS official said "cooler heads have prevailed" in the White House and are re-calibrating the messaging, naming chief of staff Susie Wiles and her deputy James Blair as among the cooler heads. But other White House staffers, such as deputy chief of staff Stephen Miller, have pushed DHS into some of the confrontations that tanked public opinion, as Axios has previously reported. "Everything I've done, I've done at the direction of the president and Stephen," Noem told a person who relayed her remarks to Axios back in November. The other side: "This anonymous former official clearly has no idea what they're talking about.…