Add deletion of cache symlinks to yearly purge script

scripts/remove_non5_images.sh

@@ -21,4 +21,7 @@ echo "Removing non-5 minute images for camera ${camera} from years ${years}"
 # See https://stackoverflow.com/a/35868472/433202
 shopt -s extglob
 camdirs="/data3/inst-data/aoss/cameras/${camera}/@(${years//,/|})"
-find $camdirs \( -path "*/??/??/??_?[12346789]_??.trig+00.jpg" -o -path "*/??/??/??_?[05]_[12345]?.trig+00.jpg" \) -delete
\ No newline at end of file
+find $camdirs \( -path "*/??/??/??_?[12346789]_??.trig+00.jpg" -o -path "*/??/??/??_?[05]_[12345]?.trig+00.jpg" \) -delete -type f
+# delete symbolic links from cache
+camdirs_cache="/data3/cache/aoss/cameras/${camera}/img/@(${years//,/|})"
+find -H $camdirs_cache \( -path "*/??/??/orig/??_?[12346789]_??.trig+00.jpg" -o -path "*/??/??/orig/??_?[05]_[12345]?.trig+00.jpg" \) -delete -type l