mach: Always report Mach-O parsing errors

This retains the raise-on-error behavior for developers, but
otherwise only prints an error message.

Library/Homebrew/os/mac/mach.rb

@@ -43,10 +43,8 @@ module MachOShim
       []
     rescue
       # ... but complain about other (parse) errors for further investigation.
-      if ARGV.homebrew_developer?
-        onoe "Failed to read Mach-O binary: #{self}"
-        raise
-      end
+      onoe "Failed to read Mach-O binary: #{self}"
+      raise if ARGV.homebrew_developer?
       []
     end
   end