inference: remove dead check for NOT_FOUND

Missed in dcc0696 cleanup

(cherry picked from commit d1fc03d)

Author: vtjnash

base/compiler/typelattice.jl

@@ -118,8 +118,8 @@ function ⊑(@nospecialize(a), @nospecialize(b))
     end
     isa(a, MaybeUndef) && (a = a.typ)
     isa(b, MaybeUndef) && (b = b.typ)
-    (a === NOT_FOUND || b === Any) && return true
-    (a === Any || b === NOT_FOUND) && return false
+    b === Any && return true
+    a === Any && return false
     a === Union{} && return true
     b === Union{} && return false
     if isa(a, Conditional)