simplify reader and predicate method

Author: tenderlove

lib/resque.rb

@@ -115,17 +115,12 @@ def to_s
     "Resque Client connected to #{redis_id}"
   end
 
+  attr_accessor :inline
+
   # If 'inline' is true Resque will call #perform method inline
   # without queuing it into Redis and without any Resque callbacks.
   # The 'inline' is false Resque jobs will be put in queue regularly.
-  def inline?
-    @inline
-  end
-  alias_method :inline, :inline?
-
-  def inline=(inline)
-    @inline = inline
-  end
+  alias :inline? :inline
 
   #
   # queue manipulation