A 049

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:
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.
A 049B No.

The Wings Dragonborn racial trait is designated as Extraordinary.