fetch: small fixes

- Use `sha256 -s` instead of piping into `sha256`
- Remove unused name output file

bin/fetch.sh

@@ -53,7 +53,7 @@ mkdir -p "$dir" || exit 1
 
 rc=0
 for url; do
-	sha=$(printf "%s" "$url" | sha256)
+	sha=$(sha256 -qs "$url")
 	outdir=$dir/$sha
 
 	if grep -q "^$url\$" "$everything"; then
@@ -67,7 +67,6 @@ for url; do
 	{
 		fetch_cmd -o "$outdir/file" "$url" &&
 		    printf "%s\n" "$url" >"$outdir/url" &&
-		    printf "%s\n" "$name" >"$outdir/name" &&
 		    printf "%s\n" "$url" >>"$everything" &&
 		    printf "%s\n" "$outdir/file"
 	} || rc=1