This is a regular verb. It follows the conjugation pattern of the verb comer.
Present:
A Ana remove a mancha da camisa.
Ana removes the stain from the shirt.
Preterite:
O Miguel removeu o tapete antigo do quarto.
Miguel removed the old carpet from the room.
Conditional:
A Clara removeria aquelas fotos da parede.
Clara would remove those photos from the wall.