Yes, the Dragonborn template will remove Half-Giant Psi-Like Abilities
(which includes Stomp
), Fire Acclimated
, and Powerful Build
. From page 10 of Races of the Dragon
A 049B No.
Other Racial Traits: You lose all other racial traits of your original race, including bonus feats, skill bonuses, attack bonuses, save bonuses, spell-like abilities, and so forth.
Dragonborn racial trait is designated as Ex