Remove Primitive.infect from Range#inspect

Author: Lillian Zhang

src/main/ruby/truffleruby/core/range.rb

@@ -375,12 +375,10 @@ def ===(value)
   def inspect
     sep = exclude_end? ? '...' : '..'
     if (Primitive.nil?(self.begin) && Primitive.nil?(self.end))
-      result = "nil#{sep}nil"
+      "nil#{sep}nil"
     else
-      result = (Primitive.nil?(self.begin) ? '' : self.begin.inspect) + sep +
-               (Primitive.nil?(self.end) ? '' : self.end.inspect)
+      (Primitive.nil?(self.begin) ? '' : self.begin.inspect) + sep + (Primitive.nil?(self.end) ? '' : self.end.inspect)
     end
-    Primitive.infect(result, self)
   end
 
   def last(n=undefined)