I'm glad that link was useful for you. The credit goes to whoever created that file and to Phone Arena for posting the article. I'm just the messenger :-)
This should take you back to ICS. I used it over the weekend when I had a boo-boo with freezing some bloatware and lost all home screen access:
How to restore your Motorola DROID RAZR M back to stock ICS from the JB leak
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