Remove old mojo performance code (needs to be done across all brands)

[wpscholar]

Proposed changes

Removes old mojo performance toggle code.

We need to implement this change on other brands as well.

Type of Change

• Bugfix (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 not to work as expected)
• Documentation Update (if none of the other choices apply)

[circlecube]

Good catch! How did you realize this we still here? Is it conflicting with the performance module code?

[wpscholar]

@circlecube I was digging into some EPC conflicts. Do you mind making yourself a reminder to remove this from the other plugins and blueprint?

[circlecube]

Noted PRESS1-213