remove redundant call to block_given?

Author: jamis

CHANGELOG.rdoc

@@ -1,5 +1,7 @@
 === unreleased
 
+* Remove redundant call to block_given? in Session#group [paddor]
+
 * Add Channel#on_open_failed callback hook [Jamis Buck]
 
 

lib/net/ssh/multi/session.rb

@@ -219,7 +219,7 @@ def group(*args)
         begin
           saved_groups = open_groups.dup
           open_groups.concat(args.map { |a| a.to_sym }).uniq!
-          yield self if block_given?
+          yield self
         ensure
           open_groups.replace(saved_groups)
         end
@@ -548,4 +548,4 @@ def realize_pending_connections! #:nodoc:
       end
     end
   end
-end; end; end
+end; end; end