Google Adwords' policies read:
Clear, accessible disclosure before visitors submit personal information
Our existing policy requires you to clearly describe how any personal information you solicit will be used. Soon, we’ll require that your description must also be easily accessible before site visitors submit their details.
And they do this to enhance the "Landing Page" experience.
Have a look at this other quote from
Transparency and trustworthiness
Make it easy for visitors to find
your contact information.
If you request personal information from
customers, make it clear why you’re asking for it and what you’ll do
Distinguish sponsored links, like ads, from the rest of your
Openly share information about your business and clearly
state what your business does.
In general terms, they suggest that by having that information accessible through your website you'll enhance the user experience. Now, I don't know about you, but I'd be kind of worried to leave my information in a website when I don't know how they are going to use it. If it worries you that the user might get distracted, make those link pop-over so that they can easily return to their workflow.
It is my opinion, based on the above, that you should include the footer.