Removed NAV and LEFTMENU theme objects

[dnndiva]

Related to Issue

Fixes #379

Description

• Removed NAV and LEFTMENU theme objects from _registers.ascx
• Updated theme version

How Has This Been Tested?

Local development environment.

Screenshots (if appropriate):

Types of changes

• 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)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[david-poindexter]

Awesome - thanks @dnndiva 🎉

[david-poindexter]

There seems to be a problem with GitHub Actions, but I am going to go ahead and force merge this one. Thanks again @dnndiva 🎉