Placeholder API is no longer necessary

[Oregano1963]

When downloading mod menu, placeholder api is as well. This mod is not necessary for mod menu to run--the game loads fine without it.

[NotRyken]

~~That isn't the point. From the description;~~

~~support for QuickText formatting in mod descriptions thanks to Patbox's Text Placeholder API~~

ed: misinterpreted the issue

[Prospector]

Dupe of #756