Omri Petitte at 06:50pm February 13 2013 In a first for the company, Valve let go an unspecified number of employees across multiple teams including hardware and Android development, according to a report by Gamasutra. Valve hasn’t released official word on the number of departures or how this affects its Steam Box project, but Gamasutra says it’s hearing such descriptions as “great cleansing” a…