Code Insights: Move linguist-languages lib out of the main app chunk
Created by: vovakulikov
Background
As @eseliger noted at the moment we include linguist-languages in the main chunk which is not good cause this lib is used only for code lang stat insight (code-insight specific thing). Also, this library is not so small that you don't have to worry about it.
Before moving this lib away from the main chunk (Erik screenshot)