MISC:  removed body_field base

## Ready State: (Yes|No)

This pull request is related to the following JIRA tickets:

https://imagex.atlassian.net/secure/RapidBoard.jspa?rapidView=28

## Requirements & Dependencies

* features, imagex_common_fields

## Deployment Instructions

* Merge code.

## Usage/Test Instructions

*ensre imagex_page CT has body field, but that there is no base defined for this in imagex_page  (relies on common_fields)