combine lfs hash file logging improvements

dist/remote-builder/combineLFSHash.sh

@@ -1,6 +1,8 @@
 #!/bin/sh
 
-echo "Combining LFS hash files into one hash, this is used as the cache key:"
+echo "Combining LFS hash files into one hash, this can be used to cache LFS files"
 git lfs ls-files -l | cut -d' ' -f1 | sort > $1/lfsSum.txt
-ls -a
+echo ''
+echo 'combined file:'
 cat $1/lfsSum.txt
+echo ''