I added this method because there are similar patterns in [Requests$Builder].(https://github.com/hohnamkung/picasso/blob/3211a11d4644f8d802594e8dc0f877484780dc26/picasso/src/main/java/com/squareup/picasso/Request.java)
(`clearResize`, `clearCenterCrop`, `clearCenterInside`, `clearRotation`)