remove unused roottask constant

JeffBezanson · JeffBezanson · commit 6fd6287d72ce · 2019-05-09T17:09:04.000-04:00
diff --git a/base/initdefs.jl b/base/initdefs.jl
@@ -28,8 +28,6 @@ the keyboard shortcut `^D`.
 exit(n) = ccall(:jl_exit, Cvoid, (Int32,), n)
 exit() = exit(0)
 
-const roottask = current_task()
-
 is_interactive = false
 
 """
