Trying to reverse Dropbox AddressBook syncing, can you help?

Question

I need some help here. Only Mac experts that know how to use the terminal need apply.
So, before iCloud, I set up my dropbox to store my Address Book data so that all my Macs' Address Book could access the same contact data files. Now with iCloud, this is no longer necessary. These are the steps I followed to achieve this:
Step 1
Download and install the Dropbox app, and back up your Mac's Address Book (go to File > Export > Address Book archive). To begin, open your Mac's Terminal utility. Enter this command:
mv ~/Library/Application\ Support/AddressBook ~/Dropbox/
to move your Address Book data to Dropbox.
Note: The backwards slash after the word "Application" is the way spaces in folder and file names must be represented in the Terminal app. By putting a backslash before each space, Terminal knows you're really looking for the folder named "Application Support."
Step 2
On a new line, type
ln -s ~/Dropbox/AddressBook/ ~/Library/Application\ Support/AddressBook
to redirect your Mac to Dropbox whenever it tries to access Address Book data.
Step 3
On your second Mac, go into your User Library and delete the Address Book file (it's in the same place it was on your first Mac, in ~/Library/Application Support/AddressBook).
Then, open Terminal and re-enter the code from step 2. The two Macs should be linked!
So now, I have all my contacts on my iPhone (which is good) and I have erased the Address Book folder in my dropbox. I have also gone back and recreated the Address Book folder in it's original location (HD-Library-Application Support-AddressBook). iCloud is setup to sync contacts on the iPhone and on the Mac, but the address book is empty and so is the Address Book folder.
How do I reverse what was done in Step 2 so that the Mac looks for AddressBook data in the original location? Any ideas?
*Also, when I open Address Book it won't let me make a new contact card, and after trying to do this, the Address Book option in the iCloud settings in System Preferences uncheckes itself.
*For the sake of troubleshooting, I recreated an AddressBook folder in my dropbox and tried to reverse Step 2 by typing this in the Terminal:
ln -s ~/Library/Application\ Support/AddressBook/ ~/Dropbox/AddressBook
But I get this response:
ln: /Users/x/Dropbox/AddressBook/: File exists

Answer 1

The page that you posted from has instructions for how to reset them i.e. if you have a rescue email address (which is not the same thing as an alternate email address) set up on your account then steps 1 to 5 half-way down that page should give you a reset link on your account.
If you don't have a rescue email address (you won't be able to add one until you can answer your questions) then you will need to contact iTunes Support / Apple in your country to get the questions reset.
Contacting Apple about account security : http://support.apple.com/kb/HT5699
When they've been reset (and if you don't already have a rescue email address) you can then use the steps half-way down the HT5312 page that you posted from to add a rescue email address for potential future use