snap: Drop incorrect build-packages declaration of the Tesseract part

These should be Leptonica part's build dependencies.

Signed-off-by: 林博仁(Buo-ren Lin) <[email protected]>

Author: brlin-tw

snap/snapcraft.yaml

@@ -30,8 +30,6 @@ parts:
     plugin: autotools
     build-packages:
       - pkg-config
-      - libpng-dev
-      - libjpeg-dev
       - libtiff-dev
     stage-packages:
       - libgomp1