Squash Django Migrations Files

[Shubh1815]

Description

Squashing migrations into individual files.

Rationale

Phabricator Ticket

//: # T255995

How Has This Been Tested?

Screenshots of your changes (if appropriate):

Types of changes

What types of changes does your code introduce? Add an x in all the boxes that apply:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

[jsnshrmn]

I've gone ahead and fixed this up so that it works properly, as it turns out we need these migrations squashed to continue some other work.