yeah

* New Top bar is removed
* New bar under stream that contains
-- Viewer Count
-- Follow and Sub button
--  Game name

will now be hidden when theatermode is activated

small code cleanup

Top bar goes poof
Bottom bar goes poof

Issues:

Chat appears cut off at the top when theater mode is on.

This reverts commit 7b3e1d3.

1) When theatermode enabled
        * chat will once again have an unappealing top bar that comes with anniversary design nav bar at the top. Hiding this with my current method will break chat box when theater mode is turned off.

2) cleaned/cleared up my comments, and removed initial test pushes to fork

3)  automatically turning on theatermode removed, see mixrelixr.js line 456's removal.
         * if you wanted to test out w/o editing code, load the unpacked extension to chrome, go to a stream, change options "separate chat lines or alternating background chat colors" either on or off. Then the theater button will appear for that session.

--2.5 second delay added to adding theater mode button. This is a temporary fix, and usually works while waiting for the player controls to fully load. Refresh still needed if the delay doesn't work

Changed the text for the toggle and explained the button in a tool tip.
Removed a line that was left behind after some testing.

Temp TheaterMode button fix & making Tmode more immersive for the new Mixer UI