Remove Awsomium hacks if CEF is now in all branches

[thegrb93]

StarfallEx/lua/starfall/sflib.lua

Line 822 in 2a84b83

local USE_AWESOMIUM_HACK = BRANCH == "unknown" or BRANCH == "dev" or BRANCH == "prerelease"

StarfallEx/lua/starfall/sflib.lua

Line 860 in 2a84b83

(BRANCH == "unknown" and "\nif(img.complete)renderImage();" or ""))

StarfallEx/lua/starfall/editor/sfframe.lua

Line 1815 in 2a84b83

if BRANCH == "unknown" then

[wrefgtzweve]

base linux doesnt have cef yet keep that in mind