Shorten the by-line to make warnings (by chksetup) more readable

install/sbbs.json

@@ -6,6 +6,6 @@
         "git_branch": "master",
         "git_hash": "500ef7050",
         "git_date": "Mar 03 2025 22:14",
-	"by": "Rob Swindell (digital man)"
+	"by": "Rob Swindell"
     }
 }