[chore] add back exif-terminator and use only for jpeg,png,webp (#3161)

* add back exif-terminator and use only for jpeg,png,webp

* fix arguments passed to terminateExif()

* pull in latest exif-terminator

* fix test

* update processed img

---------

Co-authored-by: tobi <tobi.smethurst@protonmail.com>

internal/media/util.go

@@ -35,25 +35,6 @@ import (
 	"github.com/disintegration/imaging"
 )
 
-// displayDimensions takes account of the
-// given rotation data to return width and
-// height values as the image will be displayed.
-func displayDimensions(
-	width, height int,
-	rotation int,
-) (int, int) {
-	// If image is rotated by
-	// any odd multiples of 90,
-	// flip width / height to
-	// get the correct scale.
-	switch rotation {
-	case -90, 90, -270, 270:
-		width, height = height, width
-	}
-
-	return width, height
-}
-
 // thumbSize returns the dimensions to use for an input
 // image of given width / height, for its outgoing thumbnail.
 // This attempts to maintains the original image aspect ratio.