Update Library/Homebrew/dev-cmd/edit.rb

Co-authored-by: Mike McQuaid <mike@mikemcquaid.com>

Library/Homebrew/dev-cmd/edit.rb

@@ -81,11 +81,10 @@ module Homebrew
       action = "create a new formula"
     end
 
-    message = <<~EOS
+    raise UsageError, <<~EOS
       #{name} doesn't exist on disk.
       Run #{Formatter.identifier(command)} to #{action}!
     EOS
-    raise UsageError, message
   end
 
   sig { void }