Resolve rubocop violation

Author: craigjbass

lib/rspec/support/source/node.rb

@@ -45,7 +45,7 @@ def location
           @location ||= args.find { |arg| arg.is_a?(Location) }
         end
 
-        def each(&block)
+        def each
           return to_enum(__method__) unless block_given?
 
           outstanding_nodes = []