thor docs:commit: omit empty release version

Author: simon04

lib/tasks/docs.thor

@@ -223,7 +223,7 @@ class DocsCLI < Thor
   option :amend, type: :boolean
   def commit(name)
     doc = Docs.find(name, false)
-    message = options[:message] || "Update #{doc.name} documentation (#{doc.versions.first.release})"
+    message = options[:message] || "Update #{doc.name} documentation (#{doc.versions.first.release})".delete_suffix(" ()")
     amend = " --amend" if options[:amend]
     system("git add assets/ *#{name}*") && system("git commit -m '#{message}'#{amend}")
   rescue Docs::DocNotFound => error